Encyclopedia Astronautica
Scout A-1


American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 2C + 1 x Castor 2 + 1 x Antares 2 + 1 x Altair 2

Gross mass: 17,500 kg (38,500 lb).
Height: 22.00 m (72.00 ft).
Diameter: 1.02 m (3.34 ft).
Thrust: 440.00 kN (98,910 lbf).
Apogee: 1,000 km (600 mi).
First Launch: 1973.10.30.
Number: 1 .

More... - Chronology...


Associated Countries
Associated Spacecraft
  • Transit American navigation satellite. 46 launches, 1959.09.17 (Transit 1A) to 1988.08.25 (Transit O-31). The Transit Navigation System began development in 1958. More...

See also
  • Scout Solid-fuel, light payload, lower-cost launch vehicle developed by the Air Force and NASA in the late 1950's and used in a variety of configurations over thirty years. Launched from Cape Canaveral, Vandenberg, Wallops Island, and from Italy's equatorial San Marco platform off Kenya. Italy studied but did not develop subsequent upgraded versions. More...

Associated Manufacturers and Agencies
  • Vought American manufacturer of rockets and spacecraft. Vought, USA. More...

Associated Programs
  • Transit Spin-stabilized Transit satellites were developed by the US Navy into the first operational navigation satellite system, for use by ballistic missile submarines and surface vessels. Early Transits carried a variety of piggy-back payloads, many still classified. Transit was also known as the Navy Navigation Satellite (NNS). Transit provided continuous navigation satellite service from 1964, initially for Polaris submarines and later for civilian use. More...

Associated Launch Sites
  • Vandenberg Vandenberg Air Force Base is located on the Central Coast of California about 240 km northwest of Los Angeles. It is used for launches of unmanned government and commercial satellites into polar orbit and intercontinental ballistic missile test launches toward the Kwajalein Atoll. More...
  • Vandenberg SLC5 Scout launch complex. Dedicated Scout launch pad, used during the life of that vehicle from 1962 to 1994. More...

Associated Stages
  • Algol 2 Solid propellant rocket stage. Loaded/empty mass 11,600/1,650 kg. Thrust 564.25 kN. Vacuum specific impulse 255 seconds. More...
  • Altair 2 Solid propellant rocket stage. Loaded/empty mass 275/37 kg. Thrust 22.24 kN. Vacuum specific impulse 266 seconds. More...
  • Antares 2 Solid propellant rocket stage. Loaded/empty mass 1,400/300 kg. Thrust 93.09 kN. Vacuum specific impulse 293 seconds. More...
  • Castor 2 Solid propellant rocket stage. Loaded/empty mass 4,424/695 kg. Thrust 258.92 kN. Vacuum specific impulse 262 seconds. More...

Scout A-1 Chronology


1973 October 30 - . 00:37 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC5. LV Family: Scout. Launch Vehicle: Scout A-1. LV Configuration: Scout A-1 S178C.
  • Transit O-20 - . Mass: 58 kg (127 lb). Nation: USA. Agency: USN. Program: Transit. Class: Navigation. Type: Navigation satellite. Spacecraft: Transit. USAF Sat Cat: 6909 . COSPAR: 1973-081A. Apogee: 1,120 km (690 mi). Perigee: 885 km (549 mi). Inclination: 89.8000 deg. Period: 105.20 min. Summary: Operational life over 20 years..

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