Encyclopedia Astronautica
Salyut 6


Mishin was authorised in December 1973 to build an improved design DOS-5 version of the Salyut station using Almaz facilities. Mishin's bureau borrowed the two docking port configuration of Chelomei's Almaz OPS-2 This station's second docking port would allow rotation of crews and resupply/refueling using unmanned Progress spacecraft.

DOS-5 flew as Salyut 6 in 1977. The dual docking ports allowed near-continuous occupation of the station through crew rotation. The opportunity presented by the need to replace the Soyuz ferry spacecraft at ninety-day intervals was taken to fly 'guest cosmonauts' from friendly countries on short visits to the stations. The Salyut 6 space station was the most successful of the DOS series prior to Mir. It was aloft for four years and ten months, completing 27,785 orbits of the earth. Five main expeditions and 11 short duration expeditions visited the station, of which nine had international crews. A total of 676 days of piloted operations were conducted by 27 cosmonauts with steadily increasing flight duration: 18, 75, 96, 140, and 185 days. 35 automatic dockings were conducted with the station by 20 Soyuz, 12 Progress, and 1 TKS spacecraft.

To support operation of these stations the basic Soyuz design was modified by addition of a docking tunnel. The resulting Soyuz 7KT-OK was used with the Salyut 1 DOS space station. Following the disastrous Soyuz 11 mission, it was again reworked to the simplified Soyuz 7K-T design, which finally provided a reliable ferry craft to Salyuts-4, and -6. A further modification was the Progress, an unmanned logistics vehicle that replaced the crew re-entry vehicle with propellant tanks for resupply of Salyut space stations. The Soyuz 7K-OK derivatives flew until succeeded by Soyuz T in 1981, which allowed a return to a three-man crew. The Soyuz T was derived from the still-born Soyuz 7K-S military version of Soyuz which began development in 1968.

More... - Chronology...


Associated People
  • Gubarev Gubarev, Aleksey Aleksandrovich (1931-) Russian pilot cosmonaut. Flew on Soyuz 17, Salyut 6 EP-2. More...
  • Grechko Grechko, Georgi Mikhailovich (1931-) Russian engineer cosmonaut. Flew on Soyuz 17, Salyut 6 EO-1, Salyut 7 EP-5. More...
  • Rukavishnikov Rukavishnikov, Nikolai Nikolayevich (1932-2002) Russian engineer cosmonaut. Flew on Soyuz 10, Soyuz 16, Salyut 6 EP-5-1. More...
  • Makarov Makarov, Oleg Grigoryevich (1933-2003) Russian engineer cosmonaut. Flew on Soyuz 12, Soyuz 18-1, Salyut 6 EP-1, Salyut 6 EO-5. Survived first manned spaceflight abort during launch. More...
  • Khrunov Khrunov, Yevgeni Vassilyevich (1933-2000) Russian pilot cosmonaut. Flew on Soyuz 4/5. Member of first crew to transfer between spacecraft. More...
  • Bykovsky Bykovsky, Valeri Fyodorovich (1934-) Russian pilot cosmonaut. Flew on Vostok 5, Soyuz 22, Salyut 6 EP-4. More...
  • Gorbatko Gorbatko, Viktor Vassilyevich (1934-) Russian pilot cosmonaut. Flew on Soyuz 7, Soyuz 24, Salyut 6 EP-7. More...
  • Kubasov Kubasov, Valeri Nikolayevich (1935-) Russian engineer cosmonaut. Flew on Soyuz 6, Soyuz 19 (ASTP), Salyut 6 EP-5. Flew in first docking mission between American and Soviet spacecraft. Missed two chances to be first engineer on a Soviet space station (Cosmos 557 and Soyuz 11). More...
  • Aksyonov Aksyonov, Vladimir Viktorovich (1935-) Russian engineer cosmonaut. Flew on Soyuz 22, Salyut 6 EP-6. More...
  • Jaehn Jaehn, Sigmund Werner Paul 'Sig' (1937-) German pilot cosmonaut. Flew on Salyut 6 EP-4. First German astronaut. More...
  • Jankowski Jankowski, Zenon 'Zden' (1937-) Polish pilot cosmonaut, 1976-1978. Graduated from General Staff Academy "Karol Swierczewski", 1969 Fighter pilot, Polish Air Force. Commander, Deblin Air Force School. Later retired from all duties. More...
  • Ryumin Ryumin, Valeri Viktorovich (1939-) Russian engineer cosmonaut. Flew on Soyuz 25, Salyut 6 EO-3, Salyut 6 EO-4, STS-91. Was married to astronaut Yelena Kondakova. 371 cumulative days in space. Civilian Engineer, Korolev OKB More...
  • Koellner Koellner, Eberhard 'Eb' (1939-) German pilot cosmonaut, 1976-1978. More...
  • Savinykh Savinykh, Viktor Petrovich (1940-) Russian engineer cosmonaut. Flew on Salyut 6 EO-6, Salyut 7 EO-4-1a, Mir EP-2. More...
  • Ivanov, Georgi Ivanov, Georgi (1940-) Bulgarian pilot cosmonaut. Flew on Salyut 6 EP-5-1. First Bulgarian astronaut. Changed his name when he was selected for cosmonaut training because Kakalov had a scatalogical meaning in Russian. Later member of the Bulgarian Parliament. More...
  • Ivanchenkov Ivanchenkov, Aleksandr Segeyevich (1940-) Russian engineer cosmonaut. Flew on Salyut 6 EO-2, Salyut 7 EP-1. Graduated MAI, 1964 Civilian Engineer, Korolev OKB. Trained for a Buran flight. From 1993 served as deputy director of 29th Department, RKK Energia. More...
  • Andreyev Andreyev, Boris Dmitriyevich (1940-) Russian engineer cosmonaut, 1972-1983. Off flight roster for medical reasons. Civilian Engineer, Korolev OKB More...
  • Strekalov Strekalov, Gennadi Mikhailovich (1940-2004) Russian engineer cosmonaut. Flew on Salyut 6 EO-5, Soyuz T-8, Soyuz T-10-1, Salyut 7 EP-3, Mir EO-7, Mir EO-18. Survived first manned launch pad abort. Flew in space six times. More...
  • Lyakhov Lyakhov, Vladimir Afanasyevich (1941-) Russian pilot cosmonaut. Flew on Salyut 6 EO-3, Salyut 7 EO-2, Mir EP-3. More...
  • Kizim Kizim, Leonid Denisovich (1941-2010) Ukrainian pilot cosmonaut. Flew on Salyut 6 EO-5, Salyut 7 EO-3, Mir EO-1. Member of first crew to fly between two space stations during a single mission. 374 cumulative days in space. More...
  • Malyshev Malyshev, Yuri Vassilyevich (1941-1999) Russian pilot cosmonaut. Flew on Salyut 6 EP-6, Salyut 7 EP-3. More...
  • Hermaszewski Hermaszewski, Miroslaw 'Mirek' (1941-) Polish pilot cosmonaut. Flew on Salyut 6 EP-3. First Polish astronaut. More...
  • Zudov Zudov, Vyacheslav Dmitriyevich (1942-) Russian pilot cosmonaut. Flew on Soyuz 23. More...
  • Tamayo-Mendez Tamayo-Mendez, Arnaldo 'Guasso' (1942-) African-Cuban pilot cosmonaut. Flew on Salyut 6 EP-8. First Cuban astronaut. First person of African descent to fly in space. Graduated from Air Force Academy Pilot, Cuban Air Force. Director of the Organization for Civil Defense in Cuba. More...
  • Kovalyonok Kovalyonok, Vladimir Vasilyevich (1942-) Belarusian pilot cosmonaut. Flew on Soyuz 25, Salyut 6 EO-2, Salyut 6 EO-6. More...
  • Lebedev Lebedev, Valentin Vitalyevich (1942-) Russian engineer cosmonaut. Flew on Soyuz 13, Salyut 7 EO-1. More...
  • Polyakov Polyakov, Dr Valeri Vladimirovich (1942-) Russian physician cosmonaut. Flew on Mir LD-2, Mir LD-4. Longest single space flight (437 days). 678 cumulative days in space. Civilian Physician, Institute of Medical Biological Problems. More...
  • Dediu Dediu, Dumitru (1942-) Romanian pilot cosmonaut, 1978-1981. Rumanian Air Force. Served in the Rumanian Army as Lieutenant Colonel, stationed in Bucharest. More...
  • Dzhanibekov Dzhanibekov, Vladimir Aleksandrovich (1942-) Russian pilot cosmonaut. Flew on Salyut 6 EP-1, Salyut 6 EP-9, Salyut 7 EP-1, Salyut 7 EP-4, Salyut 7 EO-4-1b. More...
  • Klimuk Klimuk, Pyotr Ilyich (1942-) Belarusian pilot cosmonaut. Flew on Soyuz 13, Soyuz 18, Salyut 6 EP-3. More...
  • Pelczak Pelczak, Oldrich 'Olda' (1943-) Czech pilot cosmonaut, 1976-1978. Graduated from Air Force Academy of the Soviet Union Engineer, Czechoslovak Air Force. More...
  • Romanenko Romanenko, Yuri Viktorovich (1944-) Russian pilot cosmonaut. Flew on Salyut 6 EO-1, Salyut 6 EP-8, Mir LD-1. Father of cosmonaut Roman Romanenko. 430 cumulative days in space. More...
  • Popov Popov, Leonid Ivanovich (1945-) Ukrainian pilot cosmonaut. Flew on Salyut 6 EO-4, Salyut 6 EP-10, Salyut 7 EP-2. More...
  • Tuan Pham Tuan (1947-) Vietnamese pilot cosmonaut. Flew on Salyut 6 EP-7. First Vietnamese astronaut. Engineer, Air force pilot. Participated in the Vietnam War. Major General of Vietnam Air Force. More...
  • Gurragcha Gurragcha Jugderdemidiin 'Gurr' (1947-) Mongolian pilot cosmonaut. Flew on Salyut 6 EP-9. First Mongolian astronaut. Graduated from Zhukovsky Military Engineering Academy, 1977. Aeronautic engineer, Mongolian Air Force. From 2000 Mongolian Secretary of Defense. More...
  • Remek Remek, Vladimir 'Volodya' (1948-) Czech pilot cosmonaut. Flew on Salyut 6 EP-2. First Czech astronaut. More...
  • Ganzorig Ganzorig Maidarjabyn (1949-) Mongolian pilot cosmonaut, 1978-1981. More...
  • Liem Bui Thanh Liem (1949-1981) Vietnamese pilot cosmonaut, 1979-1980. Graduated from Gagarin Military Academy, Monino, 1978 Captain and fighter pilot, Vietnam Air Force. Flew many combat missions during the Vietnam War. Continued service in Vietnamese Air Force. Died in the crash of a MiG-21UTI trainer. More...
  • Farkas Farkas Bertalan 'Bertsi' (1949-) Hungarian pilot cosmonaut. Flew on Salyut 6 EP-5. First Hungarian to fly in space. More...
  • Magyari Magyari Bela (1949-) Hungarian pilot cosmonaut, 1978-1980. Graduated from Gyorgy Kilian military pilot school, 1969. Graduated from Budapest Technical University, 1986. Aeronautical engineer and pilot, Hungarian Air Force. Involved in space research work. More...
  • Lopez-Falcon Lopez-Falcon, Jose Armando (1950-) Cuban pilot cosmonaut, 1978-1980. Graduated from Carlos Ullo military pilot school, 1967. Graduated from Gagarin Military Academy, Monino. Cuban Air Force Captain and pilot. Continued service as a pilot in the Cuban Air Force. More...
  • Aleksandrov, Aleksandr Aleksandrov, Aleksandr Panayotov 'Sasha' (1951-) Bulgarian pilot cosmonaut. Flew on Mir EP-2. Graduated from Air Force Academy, 1974. Candidate of technical sciences degree, 1983. Lieutenant Colonel, Bulgarian Air Force. More...
  • Prunariu Prunariu, Dumitru Dorin (1952-) Romanian engineer cosmonaut. Flew on Salyut 6 EP-10. First Rumanian astronaut. More...

Associated Countries
Associated Spacecraft
  • Soyuz 7K-T Russian manned spacecraft. 23 launches, 1972.06.26 (Cosmos 496) to 1981.05.14 (Soyuz 40). More...
  • Soyuz 7K-T/A9 Russian manned spacecraft. 8 launches, 1974.05.27 (Cosmos 656) to 1978.06.27 (Soyuz 30). Version of 7K-T for flights to Almaz. Known difference with the basic 7K-T included systems for remote control of the Almaz station and a revised parachute system. More...
  • Soyuz 7K-S Russian manned spacecraft. 3 launches, 1974.08.06 (Cosmos 670) to 1976.11.29 (Cosmos 869). The Soyuz 7K-S had its genesis in military Soyuz designs of the 1960's. More...
  • Salyut 6 Russian manned space station. One launch, 1977.09.29. The Salyut 6 space station was the most successful of the DOS series prior to Mir. It was aloft for four years and ten months, completing 27,785 orbits of the earth. More...
  • Progress Russian logistics spacecraft. 43 launches, 1978.01.20 (Progress 1) to 1990.05.06 (Progress 42). Progress took the basic Soyuz 7K-T manned ferry designed for the Salyut space station and modified it for unmanned space station resupply. More...
  • Soyuz T Russian manned spacecraft. 18 launches, 1978.04.04 (Cosmos 1001) to 1986.03.13 (Soyuz T-15). Soyuz T had a long gestation, beginning as the Soyuz VI military orbital complex Soyuz in 1967. More...
  • KRT-10 Soviet . One launch, 1979.06.28. 10 m diameter radio telescope. Attached to Salyut 6 docking hatch and deployed after separation of Progress from Mir. More...

Associated Flights
  • Soyuz 25 Crew: Kovalyonok, Ryumin. Manned two crew. Unsuccessful mission. Failed to dock with Salyut 6 due to damage to spacecraft's docking mechanism. Backup crew: Ivanchenkov, Romanenko. More...
  • Salyut 6 EO-1 Crew: Grechko, Romanenko. Record flight duration. First mission to receive visiting crews launched aboard another spacecraft, and to be resupplied by a logistics spacecraft. First Soviet EVA since Voskhod 2. First Main Expedition aboard Salyut 6. Backup crew: Ivanchenkov, Kovalyonok. More...
  • Salyut 6 EP-1 Crew: Dzhanibekov, Makarov. First docking to a space station of two manned spacecraft at one time. First station 'lifeboat' swap. First crew to visit another already aboard a space station. Backup crew: Ivanchenkov, Kovalyonok. More...
  • Salyut 6 EP-2 Crew: Gubarev, Remek. First Czech astronaut. Mission to swap Soyuz lifeboats docked to station. Backup crew: Pelczak, Rukavishnikov. More...
  • Salyut 6 EO-2 Crew: Ivanchenkov, Kovalyonok. Record flight duration. Manned two crew. Docked with Salyut 6. First transfer of a Soyuz from the aft port to the front port of a space station. Backup crew: Lyakhov, Ryumin. More...
  • Salyut 6 EP-3 Crew: Hermaszewski, Klimuk. First Polish astronaut. Manned two crew. Docked with Salyut 6. Mission to swap Soyuz lifeboats docked to station. Backup crew: Jankowski, Kubasov. More...
  • Salyut 6 EP-4 Crew: Bykovsky, Jaehn. First German astronaut. Manned two crew. Docked with Salyut 6. Mission to swap Soyuz lifeboats docked to station. Backup crew: Gorbatko, Koellner. More...
  • Salyut 6 EO-3 Crew: Lyakhov, Ryumin. Record flight duration. Manned two crew. Docked with Salyut 6. Repaired the propulsion system, which had sprung leaks. Backup crew: Lebedev, Popov. More...
  • Salyut 6 EP-5-1 Crew: Ivanov Georgi, Rukavishnikov. First Bulgarian astronaut. Manned two crew. Mission to swap Soyuz lifeboats docked to station. Backup crew: Aleksandrov Aleksandr, Romanenko. More...
  • Salyut 6 EO-4 Crew: Popov, Ryumin. Record flight duration. Manned two crew. Docked with Salyut 6. Backup crew: Andreyev, Zudov. More...
  • Salyut 6 EP-5 Crew: Farkas, Kubasov. First Hungarian astronaut. Mission to swap Soyuz lifeboats docked to station. Backup crew: Dzhanibekov, Magyari. More...
  • Salyut 6 EP-6 Crew: Aksyonov, Malyshev. Test flight of new Soyuz T spacecraft; docked with Salyut 6. Backup crew: Kizim, Makarov. More...
  • Salyut 6 EP-7 Crew: Gorbatko, Tuan. First Vietnamese astronaut. Mission to swap Soyuz lifeboats docked to station. Backup crew: Bykovsky, Liem. More...
  • Salyut 6 EP-8 Crew: Romanenko, Tamayo-Mendez. First Cuban astronaut. Mission to swap Soyuz lifeboats docked to station. Backup crew: Khrunov, Lopez-Falcon. More...
  • Soyuz T-3A Crew: Lazarev, Polyakov, Strekalov. Planned but cancelled manned flight. Crew dissolved when Lazarev failed physical in early 1981. Backup crew: Isaulov, Potapov, Rukavishnikov. More...
  • Salyut 6 EO-5 Crew: Kizim, Makarov, Strekalov. Manned three crew. Docked with Salyut 6. Tested the improved Soyuz T; carried out repair and preventive maintenance work and some scientific and technical investigation and experiments. Backup crew: Kovalyonok, Polyakov, Savinykh. More...
  • Salyut 6 EO-6 Crew: Kovalyonok, Savinykh. Manned two crew. Docked with Salyut 6. Carried out repair and preventive maintenance work and some scientific and technical investigation and experiments. Backup crew: Andreyev, Zudov. More...
  • Salyut 6 EP-9 Crew: Dzhanibekov, Gurragcha. First Mongolian astronaut. Manned two crew. Docked with Salyut 6. Mission to swap Soyuz lifeboats docked to station. Backup crew: Ganzorig, Lyakhov. More...
  • Salyut 6 EP-10 Crew: Popov, Prunariu. First Rumanian astronaut. Manned two crew. Docked with Salyut 6. Mission to swap Soyuz lifeboats docked to station. Backup crew: Dediu, Romanenko. More...

Associated Launch Vehicles
  • Proton-K Russian orbital launch vehicle. Development of a three-stage version of the UR-500 was authorised in the decree of 3 August 1964. Decrees of 12 October and 11 November 1964 authorised development of the Almaz manned military space station and the manned circumlunar spacecraft LK-1 as payloads for the UR-500K. Remarkably, due to continuing failures, the 8K82K did not satisfactorily complete its state trials until its 61st launch (Salyut 6 / serial number 29501 / 29 September 1977). Thereafter it reached a level of launch reliability comparable to that of other world launch vehicles. More...
  • Soyuz 11A511U Russian standardised man-rated orbital launch vehicle derived from the original R-7 ICBM of 1957. It has been launched in greater numbers than any orbital launch vehicle in history. Not coincidentally, it has been the most reliable as well. After over 40 years service in Russia, ESA built a new launch pad at Kourou which will keep it in service from three launch sites in three countries well into the mid-21st Century. More...

Associated Manufacturers and Agencies
  • MOM Russian agency overseeing development of spacecraft. Ministry of General Machine Building (Moskva, Russia), Moscow, Russia. More...

Associated Launch Sites
  • Baikonur Russia's largest cosmodrome, the only one used for manned launches and with facilities for the larger Proton, N1, and Energia launch vehicles. The spaceport ended up on foreign soil after the break-up of Soviet Union. The official designations NIIP-5 and GIK-5 are used in official Soviet histories. It was also universally referred to as Tyuratam by both Soviet military staff and engineers, and the US intelligence agencies. Since the dissolution of the Soviet Union the Russian Federation has insisted on continued use of the old Soviet 'public' name of Baikonur. In its Kazakh (Kazak) version this is rendered Baykonur. More...

Salyut 6 Chronology


1975 September 29 - . 04:15 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Cosmos 772 - . Payload: Soyuz 7K-S s/n 2L. Mass: 6,750 kg (14,880 lb). Nation: USSR. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Spacecraft: Soyuz 7K-S. Duration: 3.99 days. Decay Date: 1975-10-02 . USAF Sat Cat: 8338 . COSPAR: 1975-093A. Apogee: 245 km (152 mi). Perigee: 154 km (95 mi). Inclination: 51.8000 deg. Period: 88.40 min. Unmanned military Soyuz 7K-S test flight. Recovered October 3, 1975 4:10 GMT. Unsuccessful mission. Transmitted only on 166 MHz frequency, at none of the other usual Soyuz wavelengths.
    Maneuver Summary:
    193 km X 270 km orbit to 195 km X 300 km orbit. Delta V: 8 m/s
    196 km X 300 km orbit to 196 km X 328 km orbit. Delta V: 8 m/s
    Total Delta V: 16 m/s

1976 November 29 - . 16:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Cosmos 869 - . Payload: Soyuz 7K-S s/n 3L. Mass: 6,800 kg (14,900 lb). Nation: USSR. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Spacecraft: Soyuz 7K-S. Duration: 17.77 days. Decay Date: 1976-12-17 . USAF Sat Cat: 9564 . COSPAR: 1976-114A. Apogee: 289 km (179 mi). Perigee: 209 km (129 mi). Inclination: 51.7000 deg. Period: 89.40 min. Unmanned military Soyuz 7K-S test flight. Recovered December 17, 1976 10:31 GMT. Transmitted only on 20.008 MHz and 166 MHz frequencies, at none of the other usual Soyuz wavelengths.
    Maneuver Summary:
    196 km X 290 km orbit to 187 km X 335 km orbit. Delta V: 15 m/s
    187 km X 335 km orbit to 259 km X 335 km orbit. Delta V: 21 m/s
    259 km X 335 km orbit to 260 km X 345 km orbit. Delta V: 2 m/s
    260 km X 345 km orbit to 265 km X 368 km orbit. Delta V: 7 m/s
    265 km X 368 km orbit to 267 km X 391 km orbit. Delta V: 6 m/s
    267 km X 391 km orbit to 300 km X 310 km orbit. Delta V: 32 m/s
    Total Delta V: 83 m/s

1977 September 29 - . 06:50 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC81/24. LV Family: Proton. Launch Vehicle: Proton-K. LV Configuration: Proton-K 295-01.
  • Salyut 6 - . Payload: Zarya s/n 125 s/n 5L. Mass: 19,824 kg (43,704 lb). Nation: USSR. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned space station. Spacecraft: Salyut 6. Duration: 1,763.71 days. Decay Date: 1982-07-29 . USAF Sat Cat: 10382 . COSPAR: 1977-097A. Apogee: 237 km (147 mi). Perigee: 188 km (116 mi). Inclination: 51.6000 deg. Period: 88.70 min. Conduct of scientific and technical research and experiments; further testing of station design, on-board system and equipment. Soyuz 25 docking unsuccessful. EVA 20 Dec 1977 to examine forward docking port (no damage). EVA 29 July 1978 to retrieve externally mounted experiments (micrometeorites, biopolymers, radiation plates, materials tests). Soyuz 33 failure to dock due to propulsion failure April 1979. Soyuz 34 launched unmanned to provide replacement vehicle June 1979. EVA August 15 to dislodge 10 m diameter KRT-10 radio telescope from aft docking collar. Repair mission Soyuz T-3 December 1980 (temperature control hydraulics). Repair mission Soyuz T-4 March 1981 (stuck solar array). Salyut ejected a module on May 31 (perhaps retained Soyuz Orbital Module). Kosmos 1267 docks 19 June 1981. Commanded to reentry using Kosmos 1267 propulsion system over Pacific July 29 1982. Additional Details: here....

1977 October 9 - . 02:40 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Soyuz 25 - . Call Sign: Foton (Photon). Crew: Kovalyonok; Ryumin. Backup Crew: Ivanchenkov; Romanenko. Payload: Soyuz 7K-T s/n 42. Mass: 6,860 kg (15,120 lb). Nation: USSR. Related Persons: Kovalyonok; Ryumin; Ivanchenkov; Romanenko. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Flight: Soyuz 25. Spacecraft: Soyuz 7K-T. Duration: 2.03 days. Decay Date: 1977-10-11 . USAF Sat Cat: 10401 . COSPAR: 1977-099A. Apogee: 240 km (140 mi). Perigee: 194 km (120 mi). Inclination: 51.6000 deg. Period: 88.80 min. Summary: Manned two crew. Unsuccessful mission. Failed to dock with Salyut 6..

1977 October 11 - .
1977 December 10 - . 01:18 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Soyuz 26 - . Call Sign: Taimyr (Taimyr - Russian peninsula). Crew: Grechko; Romanenko. Backup Crew: Ivanchenkov; Kovalyonok. Payload: Soyuz 7K-T s/n 43. Mass: 6,800 kg (14,900 lb). Nation: USSR. Related Persons: Grechko; Romanenko; Ivanchenkov; Kovalyonok. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Flight: Salyut 6 EO-1. Spacecraft: Soyuz 7K-T. Duration: 37.42 days. Decay Date: 1978-01-16 . USAF Sat Cat: 10506 . COSPAR: 1977-113A. Apogee: 235 km (146 mi). Perigee: 205 km (127 mi). Inclination: 51.6000 deg. Period: 88.80 min. Summary: Manned two crew. Docked with Salyut 6. Carried Yuri Romanenko, Georgi Grechko to Salyut 6; returned crew of Soyuz 27 to Earth. Conduct of joint experiments with the Salyut-6 scientific station..

1977 December 19 - . 21:36 GMT - .
1978 January 10 - . 12:26 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Soyuz 27 - . Call Sign: Pamir (Pamir mountains). Crew: Dzhanibekov; Makarov. Backup Crew: Ivanchenkov; Kovalyonok. Payload: Soyuz 7K-T s/n 44. Mass: 6,800 kg (14,900 lb). Nation: USSR. Related Persons: Dzhanibekov; Makarov; Ivanchenkov; Kovalyonok. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Flight: Salyut 6 EP-1; Salyut 6 EO-1. Spacecraft: Soyuz 7K-T. Duration: 64.95 days. Decay Date: 1978-03-16 . USAF Sat Cat: 10560 . COSPAR: 1978-003A. Apogee: 237 km (147 mi). Perigee: 190 km (110 mi). Inclination: 51.7000 deg. Period: 88.70 min. Summary: Manned two crew. Carried Oleg Makarov, Vladimir Dzhanibekov to Salyut 6; returned crew of Soyuz 26 to Earth. Docked with Salyut 6..

1978 January 16 - .
1978 January 20 - . 08:24 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Progress 1 - . Payload: Progress s/n 102. Mass: 7,020 kg (15,470 lb). Nation: USSR. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned logistics spacecraft. Flight: Salyut 6 EO-1. Spacecraft: Progress. Duration: 18.73 days. Completed Operations Date: 1978-02-08 02:00:20 . Decay Date: 1978-02-08 02:00:20 . USAF Sat Cat: 10603 . COSPAR: 1978-008A. Apogee: 256 km (159 mi). Perigee: 173 km (107 mi). Inclination: 51.6000 deg. Period: 88.70 min. Unmanned supply vessel to Salyut 6. Delivery of fuel, consumable materials and equipment to the Salyut 6 station. Docked with Salyut 6 on 22 Jan 1978 10:12:14 GMT. Undocked on 6 Feb 1978 05:54:00 GMT. Destroyed in reentry on 8 Feb 1978 02:00:00 GMT. Total free-flight time 3.91 days. Total docked time 14.82 days.

1978 March 2 - . 15:28 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Soyuz 28 - . Call Sign: Zenit (Zenith ). Crew: Gubarev; Remek. Backup Crew: Pelczak; Rukavishnikov. Payload: Soyuz 7K-T s/n 45. Mass: 6,800 kg (14,900 lb). Nation: USSR. Related Persons: Gubarev; Remek; Pelczak; Rukavishnikov. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Flight: Salyut 6 EP-2; Salyut 6 EO-1. Spacecraft: Soyuz 7K-T. Duration: 7.93 days. Decay Date: 1978-03-10 . USAF Sat Cat: 10694 . COSPAR: 1978-023A. Apogee: 246 km (152 mi). Perigee: 192 km (119 mi). Inclination: 51.6000 deg. Period: 88.80 min. Manned two crew. Docked with Salyut 6. Delivery to the Salyut-6 station of the first international 'Intercosmos' team consisting of A.A. Gubarev (USSR) and V. Remek (Czechoslovak Socialist Republic) to carry out scientific research and experiments jointly developed by Soviet a nd Czechoslovak specialists.

1978 March 10 - .
1978 March 16 - .
1978 April 4 - . 15:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Cosmos 1001 - . Payload: Soyuz T s/n 4L. Mass: 6,850 kg (15,100 lb). Nation: USSR. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Spacecraft: Soyuz T. Duration: 10.87 days. Decay Date: 1978-04-15 . USAF Sat Cat: 10783 . COSPAR: 1978-036A. Apogee: 228 km (141 mi). Perigee: 199 km (123 mi). Inclination: 51.6000 deg. Period: 88.70 min. Manned precursor. Recovered April 15, 1978 12:02 GMT. Unsuccessful mission. Soyuz T test -failure.
    Maneuver Summary:
    202 km X 231 km orbit to 195 km X 291 km orbit. Delta V: 19 m/s
    195 km X 291 km orbit to 306 km X 322 km orbit. Delta V: 40 m/s
    306 km X 322 km orbit to 308 km X 318 km orbit. Delta V: 1 m/s
    Total Delta V: 60 m/s.
    Officially: Investigation of the upper atmosphere and outer space.

1978 June 15 - . 20:16 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Soyuz 29 - . Call Sign: Foton (Photon). Crew: Ivanchenkov; Kovalyonok. Backup Crew: Lyakhov; Ryumin. Payload: Soyuz 7K-T s/n 46. Mass: 6,800 kg (14,900 lb). Nation: USSR. Related Persons: Ivanchenkov; Kovalyonok; Lyakhov; Ryumin. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Flight: Salyut 6 EO-2. Spacecraft: Soyuz 7K-T. Duration: 79.64 days. Decay Date: 1978-09-03 . USAF Sat Cat: 10952 . COSPAR: 1978-061A. Apogee: 248 km (154 mi). Perigee: 193 km (119 mi). Inclination: 51.6000 deg. Period: 88.90 min. Summary: Manned two crew. Docked with Salyut 6. Placed on board the Salyut-6 station a crew consisting of V.V. Kovalenko and A.S. Ivanchenkov to conduct scientific and technological investigations and experiments..

1978 June 27 - . 15:27 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Soyuz 30 - . Call Sign: Kavkas (Caucasus ). Crew: Hermaszewski; Klimuk. Backup Crew: Jankowski; Kubasov. Payload: Soyuz 7K-T(A9) s/n 67. Mass: 6,800 kg (14,900 lb). Nation: USSR. Related Persons: Hermaszewski; Klimuk; Jankowski; Kubasov. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Flight: Salyut 6 EP-3; Salyut 6 EO-2. Spacecraft: Soyuz 7K-T/A9. Duration: 7.92 days. Decay Date: 1978-07-05 . USAF Sat Cat: 10968 . COSPAR: 1978-065A. Apogee: 244 km (151 mi). Perigee: 194 km (120 mi). Inclination: 51.6000 deg. Period: 88.80 min. Summary: Manned two crew. Docked with Salyut 6. Placed on board the Salyut-6 station, under the Intercosmos programme, a second, international, crew consisting of P.I. Klimuk (USSR) and M. Hermaszewski (Poland) to conduct scientific investigations and experiments..

1978 July 5 - .
1978 July 7 - . 11:26 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Progress 2 - . Payload: Progress s/n 101. Mass: 7,014 kg (15,463 lb). Nation: USSR. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned logistics spacecraft. Flight: Salyut 6 EO-2. Spacecraft: Progress. Duration: 27.59 days. Completed Operations Date: 1978-08-04 01:30:51 . Decay Date: 1978-08-04 01:30:51 . USAF Sat Cat: 10979 . COSPAR: 1978-070A. Apogee: 307 km (190 mi). Perigee: 248 km (154 mi). Inclination: 51.6000 deg. Period: 90.00 min. Unmanned supply vessel to Salyut 6. Delivery of fuel, consumable materials and equipment to the Salyut 6 station. Docked with Salyut 6 on 9 Jul 1978 12:58:59 GMT. Undocked on 2 Aug 1978 04:57:44 GMT. Destroyed in reentry on 4 Aug 1978 01:31:07 GMT. Total free-flight time 3.92 days. Total docked time 23.67 days.

1978 July 29 - . 04:00 GMT - .
1978 August 7 - . 22:31 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Progress 3 - . Payload: Progress s/n 103. Mass: 7,014 kg (15,463 lb). Nation: USSR. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned logistics spacecraft. Flight: Salyut 6 EO-2. Spacecraft: Progress. Duration: 15.76 days. Completed Operations Date: 1978-08-24 16:44:38 . Decay Date: 1978-08-24 16:44:38 . USAF Sat Cat: 10999 . COSPAR: 1978-077A. Apogee: 232 km (144 mi). Perigee: 190 km (110 mi). Inclination: 51.6000 deg. Period: 88.70 min. Unmanned supply vessel to Salyut 6. Delivery of fuel, consumable materials and equipment to the Salyut 6 station. Docked with Salyut 6 on 9 Aug 1978 23:59:30 GMT. Undocked on 21 Aug 1978 15:42:50 GMT. Destroyed in reentry on 23 Aug 1978 16:45:00 GMT. Total free-flight time 4.10 days. Total docked time 11.66 days.

1978 August 20 - .
  • Kamanin in Star City. - . Nation: USSR. Related Persons: Ivanchenkov; Kovalyonok; Yeliseyev. Program: Salyut 6. Flight: Salyut 6 EO-2. Summary: At a visit to Star City, Kamanin is allowed to participate together with Yeliseyev in a communications session with the EO-2 crew (Ivanchenkov, Kovalyonok) aboard Salyut 6..

1978 August 26 - . 14:51 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Soyuz 31 - . Call Sign: Yastreb (Hawk ). Crew: Bykovsky; Jaehn. Backup Crew: Gorbatko; Koellner. Payload: Soyuz 7K-T s/n 47. Mass: 6,800 kg (14,900 lb). Nation: USSR. Related Persons: Bykovsky; Jaehn; Gorbatko; Koellner. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Flight: Salyut 6 EP-4; Salyut 6 EO-2. Spacecraft: Soyuz 7K-T. Duration: 67.84 days. Decay Date: 1978-11-02 . USAF Sat Cat: 11010 . COSPAR: 1978-081A. Apogee: 243 km (150 mi). Perigee: 193 km (119 mi). Inclination: 51.6000 deg. Period: 88.80 min. Summary: Manned two crew. Docked with Salyut 6. Delivered to the Salyut-6 station the third international 'Intercosmos' crew consisting of V F Bykovsky (USSR) and S Jaehn (German Democratic Republic) to carry out scientific research and experiments..

1978 September 3 - .
1978 October 3 - . 23:09 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Progress 4 - . Payload: Progress s/n 105. Mass: 7,014 kg (15,463 lb). Nation: USSR. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned logistics spacecraft. Flight: Salyut 6 EO-2. Spacecraft: Progress. Duration: 22.72 days. Completed Operations Date: 1978-10-27 16:27:43 . Decay Date: 1978-10-27 16:27:43 . USAF Sat Cat: 11040 . COSPAR: 1978-090A. Apogee: 247 km (153 mi). Perigee: 185 km (114 mi). Inclination: 51.7000 deg. Period: 88.80 min. Unmanned supply vessel to Salyut 6. Delivery of fuel, consumable materials and equipment to the Salyut 6 station. Docked with Salyut 6 on 6 Oct 1978 01:00:15 GMT. Undocked on 24 Oct 1978 13:01:52 GMT. Destroyed in reentry on 26 Oct 1978 16:28:13 GMT. Total free-flight time 4.22 days. Total docked time 18.50 days.

1978 November 2 - .
1979 January 31 - . 09:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Cosmos 1074 - . Payload: Soyuz T s/n 5L. Mass: 6,850 kg (15,100 lb). Nation: USSR. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Spacecraft: Soyuz T. Duration: 60.04 days. Decay Date: 1979-04-01 . USAF Sat Cat: 11259 . COSPAR: 1979-008A. Apogee: 238 km (147 mi). Perigee: 195 km (121 mi). Inclination: 51.6000 deg. Period: 88.80 min. Manned precursor. Recovered April 1, 1979 10:09 GMT. Soyuz T Test.
    Maneuver Summary:
    197 km X 240 km orbit to 255 km X 297 km orbit. Delta V: 33 m/s
    255 km X 297 km orbit to 264 km X 306 km orbit. Delta V: 4 m/s
    264 km X 306 km orbit to 309 km X 321 km orbit. Delta V: 17 m/s
    309 km X 321 km orbit to 279 km X 357 km orbit. Delta V: 18 m/s
    279 km X 357 km orbit to 352 km X 402 km orbit. Delta V: 32 m/s
    352 km X 402 km orbit to 363 km X 384 km orbit. Delta V: 8 m/s
    Total Delta V: 112 m/s
    Officially: Investigation of the upper atmosphere and outer space.

1979 February 25 - . 11:53 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Soyuz 32 - . Call Sign: Proton (Proton ). Crew: Lyakhov; Ryumin. Backup Crew: Lebedev; Popov. Payload: Soyuz 7K-T s/n 48. Mass: 6,800 kg (14,900 lb). Nation: USSR. Related Persons: Lyakhov; Ryumin; Lebedev; Popov. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Flight: Salyut 6 EO-3. Spacecraft: Soyuz 7K-T. Duration: 110.18 days. Decay Date: 1979-06-13 . USAF Sat Cat: 11281 . COSPAR: 1979-018A. Apogee: 256 km (159 mi). Perigee: 193 km (119 mi). Inclination: 51.6000 deg. Period: 88.90 min. Summary: Manned two crew. Docked with Salyut 6. Transported a team consisting of V A Lyakhov and V V Ryumin to the Salyut-6 space station to conduct scientific investigations and experiments and repair work. Recovered June 15, 1979 16:18 GMT. Returned unmanned..

1979 March 12 - . 05:47 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Progress 5 - . Payload: Progress s/n 104. Mass: 7,014 kg (15,463 lb). Nation: USSR. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned logistics spacecraft. Flight: Salyut 6 EO-3. Spacecraft: Progress. Duration: 23.77 days. Completed Operations Date: 1979-04-05 00:09:54 . Decay Date: 1979-04-05 00:09:54 . USAF Sat Cat: 11292 . COSPAR: 1979-022A. Apogee: 256 km (159 mi). Perigee: 183 km (113 mi). Inclination: 51.7000 deg. Period: 88.80 min. Unmanned supply vessel to Salyut 6. Delivery of fuel, consumable materials and equipment to the Salyut 6 station. Docked with Salyut 6 on 14 Mar 1979 07:19:21 GMT. Undocked on 3 Apr 1979 16:10:00 GMT. Destroyed in reentry on 5 Apr 1979 00:10:22 GMT. Total free-flight time 3.40 days. Total docked time 20.37 days.

1979 April 10 - . 17:34 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
1979 April 12 - .
1979 May 13 - . 04:17 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Progress 6 - . Payload: Progress s/n 106. Mass: 7,014 kg (15,463 lb). Nation: USSR. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned logistics spacecraft. Flight: Salyut 6 EO-3. Spacecraft: Progress. Duration: 27.61 days. Completed Operations Date: 1979-06-09 18:52:36 . Decay Date: 1979-06-09 18:52:36 . USAF Sat Cat: 11356 . COSPAR: 1979-039A. Apogee: 247 km (153 mi). Perigee: 190 km (110 mi). Inclination: 51.6000 deg. Period: 88.80 min. Unmanned supply vessel to Salyut 6. Delivery of fuel, consumable materials and equipment to the Salyut 6 station. Docked with Salyut 6 on 15 May 1979 06:19:22 GMT. Undocked on 8 Jun 1979 07:59:41 GMT. Destroyed in reentry on 9 Jun 1979 18:52:46 GMT. Total free-flight time 3.54 days. Total docked time 24.07 days.

1979 June 6 - . 18:12 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Soyuz 34 - . Call Sign: Proton (Proton ). Payload: Soyuz 7K-T s/n 50. Mass: 6,800 kg (14,900 lb). Nation: USSR. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Flight: Salyut 6 EO-3. Spacecraft: Soyuz 7K-T. Duration: 73.76 days. Decay Date: 1979-08-19 . USAF Sat Cat: 11387 . COSPAR: 1979-049A. Apogee: 254 km (157 mi). Perigee: 192 km (119 mi). Inclination: 51.6000 deg. Period: 88.90 min. Docked with Salyut 6. Launched unmanned to provide return vehicle for Soyuz 32 crew of Lyakhov/Ryumin after Soyuz 33 primary propulsion system failure. Checked the operation of the spacecraft propulsion unit; transportated the crew of the Salyut-6 station back to earth.

1979 June 15 - .
1979 June 28 - . 09:25 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Progress 7 - . Payload: Progress s/n 107. Mass: 7,014 kg (15,463 lb). Nation: USSR. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned logistics spacecraft. Flight: Salyut 6 EO-3. Spacecraft: Progress. Duration: 21.69 days. Completed Operations Date: 1979-07-20 01:57:19 . Decay Date: 1979-07-20 01:57:19 . USAF Sat Cat: 11421 . COSPAR: 1979-059A. Apogee: 251 km (155 mi). Perigee: 186 km (115 mi). Inclination: 51.6000 deg. Period: 88.80 min. Unmanned supply vessel to Salyut 6. Delivery of fuel, consumable materials and equipment to the Salyut 6 station. Docked with Salyut 6 on 30 Jun 1979 11:18:22 GMT. Undocked on 18 Jul 1979 03:49:55 GMT. Destroyed in reentry on 20 Jul 1979 01:57:30 GMT. Total free-flight time 4.0 days. Total docked time 17.69 days.
  • KRT-10 - . Payload: KRT-10. Nation: USSR. Agency: MOM. Program: Salyut 6. Flight: Salyut 6 EO-3. Spacecraft: KRT-10. Decay Date: 1979-08-26 . USAF Sat Cat: 11493 . COSPAR: 1977-097BD. Apogee: 385 km (239 mi). Perigee: 359 km (223 mi). Inclination: 51.6000 deg. Period: 91.99 min. Summary: 10 m diameter radio telescope. Attached to Salyut 6 docking hatch and deployed after separation of Progress from Mir..

1979 August 15 - . 14:16 GMT - .
  • EVA Salyut 6 EO-3-1 - . Crew: Lyakhov; Ryumin. EVA Type: Extra-Vehicular Activity. EVA Duration: 0.0576 days. Nation: USSR. Related Persons: Lyakhov; Ryumin. Program: Salyut 6. Class: Manned. Type: Manned space station. Flight: Salyut 6 EO-3. Spacecraft: Salyut 6. Summary: Jettisoned KRT-10 antenna from rear docking port..

1979 August 19 - .
1979 December 16 - . 12:29 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Soyuz T-1 - . Payload: Soyuz T s/n 6L. Mass: 6,850 kg (15,100 lb). Nation: USSR. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Spacecraft: Soyuz T. Duration: 100.38 days. Decay Date: 1980-03-25 . USAF Sat Cat: 11640 . COSPAR: 1979-103A. Apogee: 252 km (156 mi). Perigee: 213 km (132 mi). Inclination: 51.6000 deg. Period: 89.20 min. New generation Soyuz capsule; unmanned flight to Salyut 6. Docked with Salyut 6. Recovered March 25, 1980 21:47 GMT. Unmanned test of Soyuz T design.
    Officially: Complex experimental testing of new on-board systems and assemblies under various flight conditions and operation in conjunction with the Salyut-6 orbital station.

1980 March 27 - . 18:53 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Progress 8 - . Payload: Progress s/n 108. Mass: 7,014 kg (15,463 lb). Nation: USSR. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned logistics spacecraft. Spacecraft: Progress. Duration: 29.50 days. Completed Operations Date: 1980-04-26 06:54:00 . Decay Date: 1980-04-26 06:54:00 . USAF Sat Cat: 11743 . COSPAR: 1980-024A. Apogee: 250 km (150 mi). Perigee: 185 km (114 mi). Inclination: 51.6000 deg. Period: 88.90 min. Unmanned supply vessel for Salyut 6. Delivery of various cargoes to the Salyut-6 orbital station. Docked with Salyut 6 on 29 Mar 1980 20:01:00 GMT. Undocked on 25 Apr 1980 08:04:00 GMT. Destroyed in reentry on 26 Apr 1980 06:54:00 GMT. Total free-flight time 3.0 days. Total docked time 26.50 days.

1980 April 9 - . 13:38 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Soyuz 35 - . Call Sign: Dnepr (Dnieper ). Crew: Popov; Ryumin. Backup Crew: Andreyev; Zudov. Payload: Soyuz 7K-T s/n 51. Mass: 6,800 kg (14,900 lb). Nation: USSR. Related Persons: Popov; Ryumin; Andreyev; Zudov. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Flight: Salyut 6 EO-4. Spacecraft: Soyuz 7K-T. Duration: 55.06 days. Decay Date: 1980-06-03 . USAF Sat Cat: 11753 . COSPAR: 1980-027A. Apogee: 247 km (153 mi). Perigee: 197 km (122 mi). Inclination: 51.6000 deg. Period: 88.90 min. Summary: Manned two crew. Docked with Salyut 6. Carried crew comprising L I Popov and V V Ryumin to the Salyut-6 station to carry out scientific and technical research and experiments..

1980 April 27 - . 06:24 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Progress 9 - . Payload: Progress s/n 109. Mass: 7,014 kg (15,463 lb). Nation: USSR. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned logistics spacecraft. Flight: Salyut 6 EO-4. Spacecraft: Progress. Duration: 24.76 days. Completed Operations Date: 1980-05-22 00:44:00 . Decay Date: 1980-05-22 00:44:00 . USAF Sat Cat: 11784 . COSPAR: 1980-033A. Apogee: 255 km (158 mi). Perigee: 185 km (114 mi). Inclination: 51.7000 deg. Period: 88.80 min. Unmanned supply vessel for Salyut 6. Delivery of various cargoes to the Salyut-6 orbital station. Docked with Salyut 6 on 29 Apr 1980 08:09:19 GMT. Undocked on 20 May 1980 18:51:00 GMT. Destroyed in reentry on 22 May 1980 00:44:00 GMT. Total free-flight time 3.32 days. Total docked time 21.45 days.

1980 May 26 - . 18:20 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Soyuz 36 - . Call Sign: Orion (Orion ). Crew: Farkas; Kubasov. Backup Crew: Dzhanibekov; Magyari. Payload: Soyuz 7K-T s/n 52. Mass: 6,800 kg (14,900 lb). Nation: USSR. Related Persons: Farkas; Kubasov; Dzhanibekov; Magyari. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Flight: Salyut 6 EP-5; Salyut 6 EO-4. Spacecraft: Soyuz 7K-T. Duration: 65.87 days. Decay Date: 1980-07-31 . USAF Sat Cat: 11811 . COSPAR: 1980-041A. Apogee: 263 km (163 mi). Perigee: 190 km (110 mi). Inclination: 51.6000 deg. Period: 89.00 min. Summary: Transported the fifth international crew under the INTERCOSMOS programme, comprising V N Kubasov (USSR) and B Farkas (Hungary) to the Salyut-6 station to carry out scientific research and experiments..

1980 June 3 - .
1980 June 5 - . 14:19 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Soyuz T-2 - . Call Sign: Yupiter (Jupiter ). Crew: Aksyonov; Malyshev. Backup Crew: Kizim; Makarov. Payload: Soyuz T s/n 7L. Mass: 6,850 kg (15,100 lb). Nation: USSR. Related Persons: Aksyonov; Malyshev; Kizim; Makarov. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Flight: Salyut 6 EP-6; Salyut 6 EO-4. Spacecraft: Soyuz T. Duration: 3.93 days. Decay Date: 1980-06-09 . USAF Sat Cat: 11825 . COSPAR: 1980-045A. Apogee: 232 km (144 mi). Perigee: 195 km (121 mi). Inclination: 51.6000 deg. Period: 88.70 min. Summary: Test flight of new Soyuz T; docked with Salyut 6. Conducted testing and development of on-board systems in the improved Soyuz T series transport vehicle under piloted conditions..

1980 June 9 - .
1980 June 29 - . 04:40 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Progress 10 - . Payload: Progress s/n 110. Mass: 7,014 kg (15,463 lb). Nation: USSR. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned logistics spacecraft. Flight: Salyut 6 EO-4. Spacecraft: Progress. Duration: 19.88 days. Completed Operations Date: 1980-07-19 01:47:18 . Decay Date: 1980-07-19 01:47:18 . USAF Sat Cat: 11867 . COSPAR: 1980-055A. Apogee: 264 km (164 mi). Perigee: 183 km (113 mi). Inclination: 51.6000 deg. Period: 89.00 min. Unmanned supply vessel for Salyut 6. Delivery of various cargoes to the Salyut-6 orbital station. Docked with Salyut 6 on 1 Jul 1980 05:53:00 GMT. Undocked on 17 Jul 1980 22:21:00 GMT. Destroyed in reentry on 19 Jul 1980 01:47:00 GMT. Total free-flight time 3.19 days. Total docked time 16.69 days.

1980 July 23 - . 18:33 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Soyuz 37 - . Call Sign: Terek (Terek - river in the Caucasus). Crew: Gorbatko; Tuan. Backup Crew: Bykovsky; Liem. Payload: Soyuz 7K-T s/n 53. Mass: 6,800 kg (14,900 lb). Nation: USSR. Related Persons: Gorbatko; Tuan; Bykovsky; Liem. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Flight: Salyut 6 EP-7; Salyut 6 EO-4. Spacecraft: Soyuz 7K-T. Duration: 79.64 days. Decay Date: 1980-10-11 . USAF Sat Cat: 11905 . COSPAR: 1980-064A. Apogee: 273 km (169 mi). Perigee: 190 km (110 mi). Inclination: 51.5000 deg. Period: 89.10 min. Manned two crew. Transported to the Salyut-6 station the sixth international crew under the Intercosmos programme, comprising V V Gorbatko (USSR) and Pham Tuan (Viet Nam), to conduct scientific research and experiments. Returned crew of Soyuz 35 to Earth. Recovered October 11, 1980 9:50 GMT.

1980 July 31 - .
1980 September 18 - . 19:11 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Soyuz 38 - . Call Sign: Taimyr (Taimyr - Russian peninsula). Crew: Romanenko; Tamayo-Mendez. Backup Crew: Khrunov; Lopez-Falcon. Payload: Soyuz 7K-T s/n 54. Mass: 6,800 kg (14,900 lb). Nation: USSR. Related Persons: Romanenko; Tamayo-Mendez; Khrunov; Lopez-Falcon. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Flight: Salyut 6 EP-8; Salyut 6 EO-4. Spacecraft: Soyuz 7K-T. Duration: 7.86 days. Decay Date: 1980-09-26 . USAF Sat Cat: 11977 . COSPAR: 1980-075A. Apogee: 257 km (159 mi). Perigee: 195 km (121 mi). Inclination: 51.6000 deg. Period: 89.00 min. Summary: Manned two crew. Docked with Salyut 6. Transported to the Salyut-6 station the seventh international crew under the INTERCOSMOS programme, comprising Y V Romanenko (USSR) and A. Tomaio Mendez (Cuba), to conduct scientific research and experiments..

1980 September 26 - .
1980 September 28 - . 15:09 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Progress 11 - . Payload: Progress s/n 111. Mass: 7,014 kg (15,463 lb). Nation: USSR. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned logistics spacecraft. Flight: Salyut 6 EO-4. Spacecraft: Progress. Duration: 73.95 days. Completed Operations Date: 1980-12-11 14:00:05 . Decay Date: 1980-12-11 14:00:05 . USAF Sat Cat: 11993 . COSPAR: 1980-079A. Apogee: 241 km (149 mi). Perigee: 188 km (116 mi). Inclination: 51.6000 deg. Period: 88.70 min. Unmanned supply vessel for Salyut 6. Delivery of various cargoes to the Salyut-6 orbital station. Docked with Salyut 6 on 30 Sep 1980 17:03:00 GMT. Undocked on 9 Dec 1980 10:23:00 GMT. Destroyed in reentry on 11 Dec 1980 14:00:00 GMT. Total free-flight time 4.23 days. Total docked time 69.72 days.

1980 October 11 - .
1980 November - .
1980 November 27 - . 14:18 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Soyuz T-3 - . Call Sign: Mayak (Beacon ). Crew: Kizim; Makarov; Strekalov. Backup Crew: Kovalyonok; Polyakov; Savinykh. Payload: Soyuz T s/n 8L. Mass: 6,850 kg (15,100 lb). Nation: USSR. Related Persons: Kizim; Makarov; Strekalov; Kovalyonok; Polyakov; Savinykh. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Flight: Salyut 6 EO-5. Spacecraft: Soyuz T. Duration: 12.80 days. Decay Date: 1980-12-10 . USAF Sat Cat: 12077 . COSPAR: 1980-094A. Apogee: 260 km (160 mi). Perigee: 256 km (159 mi). Inclination: 51.6000 deg. Period: 89.70 min. Manned three crew. Docked with Salyut 6. Tested the improved transport ship of the 'SOYUZ T' series; transported to the Salyut-6 orbital station a crew consisting of L D Kizim, O G Makarov and G M Strekalov to carry out repair and preventive work and scientific and technical investigation and experiments.

1980 December 10 - .
1981 January 24 - . 14:18 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Progress 12 - . Payload: Progress s/n 113. Mass: 7,020 kg (15,470 lb). Nation: USSR. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned logistics spacecraft. Spacecraft: Progress. Duration: 55.11 days. Completed Operations Date: 1981-03-20 16:58:58 . Decay Date: 1981-03-20 16:58:58 . USAF Sat Cat: 12152 . COSPAR: 1981-007A. Apogee: 308 km (191 mi). Perigee: 247 km (153 mi). Inclination: 51.7000 deg. Period: 90.00 min. Unmanned supply vessel to Salyut 6. Delivery of various cargoes to the Salyut-6 orbital station. Docked with Salyut 6 on 26 Jan 1981 15:56:00 GMT. Undocked on 19 Mar 1981 18:14:00 GMT. Destroyed in reentry on 20 Mar 1981 16:59:00 GMT. Total free-flight time 3.02 days. Total docked time 52.10 days.

1981 March 12 - . 19:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Soyuz T-4 - . Call Sign: Foton (Photon ). Crew: Kovalyonok; Savinykh. Backup Crew: Andreyev; Zudov. Payload: Soyuz T s/n 10L. Mass: 6,850 kg (15,100 lb). Nation: USSR. Related Persons: Kovalyonok; Savinykh; Andreyev; Zudov. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Flight: Salyut 6 EO-6. Spacecraft: Soyuz T. Duration: 74.73 days. Decay Date: 1981-05-26 . USAF Sat Cat: 12334 . COSPAR: 1981-023A. Apogee: 237 km (147 mi). Perigee: 201 km (124 mi). Inclination: 51.6000 deg. Period: 88.90 min. Summary: Manned two crew. Docked with Salyut 6. Transported to the Salyut-6 orbital station cosmonauts V V Kovalenok and V P Savinykh to carry out repairs and preventive maintenance and scientific and technical investigations and experiments..

1981 March 22 - . 14:58 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Soyuz 39 - . Call Sign: Pamir (Pamir mountains). Crew: Dzhanibekov; Gurragcha. Backup Crew: Ganzorig; Lyakhov. Payload: Soyuz 7K-T s/n 55. Mass: 6,800 kg (14,900 lb). Nation: USSR. Related Persons: Dzhanibekov; Gurragcha; Ganzorig; Lyakhov. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Flight: Salyut 6 EP-9; Salyut 6 EO-6. Spacecraft: Soyuz 7K-T. Duration: 7.86 days. Decay Date: 1981-03-30 . USAF Sat Cat: 12366 . COSPAR: 1981-029A. Apogee: 249 km (154 mi). Perigee: 198 km (123 mi). Inclination: 51.8000 deg. Period: 88.90 min. Manned two crew. Docked with Salyut 6. Transported to the Salyut-6 orbital station the eighth international crew under the INTERCOSMOS programme, comprising V A Dzhanibekov (USSR) and Z. Gurragchi (Mongolian People's Republic) to conduct scientific investigations and experiments.

1981 March 30 - .
1981 May 14 - . 17:16 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Soyuz 40 - . Call Sign: Dnepr (Dnieper ). Crew: Popov; Prunariu. Backup Crew: Dediu; Romanenko. Payload: Soyuz 7K-T s/n 56. Mass: 6,800 kg (14,900 lb). Nation: USSR. Related Persons: Popov; Prunariu; Dediu; Romanenko. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Flight: Salyut 6 EP-10; Salyut 6 EO-6. Spacecraft: Soyuz 7K-T. Duration: 7.86 days. Decay Date: 1981-05-22 . USAF Sat Cat: 12454 . COSPAR: 1981-042A. Apogee: 270 km (160 mi). Perigee: 192 km (119 mi). Inclination: 51.6000 deg. Period: 89.10 min. Summary: Manned two crew. Docked with Salyut 6. Transported to the Salyut-6 orbital station the ninth international crew under the INTERCOSMOS programme, comprising L I Popov (USSR), and D. Prunariu (Romania), to conduct scientific research and experiments..

1981 May 22 - .
1981 May 26 - .
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