R-21
R-21
Credit - © Mark Wade
Intermediate range ballistic missile. Year: 1963. IOC: 1963. Family: RT. Country: Russia. Department of Defence Designation: SS-N-5. ASCC Reporting Name: Serb. Article Number: 4K55. Manufacturer's Designation: R-21. Alternate Designation: K-1. Launch System: D-4. Complex: 4K55.

First flight 1962. NATO code Serb may apply to SS-N-6 instead. First subsurface launched SLBM (development began at OKB- 586 and transferred to SKB-385).

Manufacturer: Makayev. Launches: 6. First Launch Date: 1960-05-01. Last Launch Date: 1967-01-01. Launch data is: incomplete. Apogee: 300 km (180 mi). Total Mass: 17,700 kg (39,000 lb). Core Diameter: 1.42 m (4.65 ft). Total Length: 12.90 m (42.30 ft). Span: 1.42 m (4.65 ft). Standard warhead mass: 910 kg (2,000 lb). Maximum range: 1,400 km (800 mi). Number Standard Warheads: 1. Standard warhead yield: 800 KT. Standard warhead CEP: 3.23 km (2.00 mi). Boost Propulsion: Storable liquid rocket. Cruise Propulsion: Storable liquid rocket. Guidance: Inertial.

Model: R-21A. Country: Russia. Department of Defence Designation: SS-N-6. ASCC Reporting Name: Serb. Manufacturer's Designation: R-21A.

Version of R-21 SLBM on Yankee subs. Being retired.

Manufacturer: Machine Production Scientific Production Assn. (okb-52). Location: Reutov, Russian Federation. Total Mass: 14,300 kg (31,500 lb). Core Diameter: 1.49 m (4.90 ft). Total Length: 9.63 m (31.61 ft). Span: 1.49 m (4.90 ft). Maximum range: 3,000 km (1,800 mi). Boost Propulsion: Storable liquid rocket. Guidance: Inertial.

R-21 Chronology

1960 May - Launch Vehicle: R-21. LV Configuration: R-21 K-1.1.

  • Test mission Nation: USSR. Agency: RVSN. Apogee: 1.00 km (0.60 mi). Launched from Chernoye More (Black Sea), PS submerged pad. References: 1864.
1961 - Launch Vehicle: R-21. LV Configuration: R-21 K-1.1.
  • Test mission Nation: USSR. Agency: RVSN. Apogee: 1.00 km (0.60 mi). Launched from Chernoye More (Black Sea) submarine test launch area References: 1864.
1961 Oct - Launch Vehicle: R-21. LV Configuration: R-21 K-1.1.
  • Test mission Nation: USSR. Agency: RVSN. Apogee: 1.00 km (0.60 mi). Launched from Chernoye More (Black Sea) submarine test launch area References: 1864.
1962 February 24 - Launch Vehicle: R-21.
  • Test mission Nation: USSR. Agency: RVSN. Apogee: 300 km (180 mi). References: 1836.
1963 - Launch Vehicle: R-21.
  • Test mission Nation: USSR. Agency: RVSN. Apogee: 300 km (180 mi). References: 1836.
1967 - Launch Vehicle: R-21.
  • Test mission Nation: USSR. Agency: RVSN. Apogee: 300 km (180 mi). References: 1836.
Bibliography and Further Reading
  • McDowell, Jonathan, Jonathan's Space Home Page, Harvard University, 1997-present. Jonathan McDowell's complete on-line listing of all objects orbited and over 20,000 rocket launches Accessed at: http://www.planet4589.org/jsr.html.
 
 
 
 
 
 
 
 
 
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