Discoverer 4
Thor Agena A
United States Air Force
Mission
Discoverer 4
Type: Government/Top Secret
Discoverer 4 was the fourth in a series of reconnaissance satellites, however, it failed to reach orbit when the Agena engine underperformed and failed to place the capsule into orbit.
Location
Space Launch Complex 1E
Vandenberg SFB, CA, USA
707 rockets have launched from Vandenberg SFB, CA, USA.
Rocket
Thor Agena A – McDonnell Douglas
Family: Thor
Length: 28 m
Diameter: 2.44 m
Launch Mass: 53 T
Low Earth Orbit Capacity: 250 kg
The Thor Agena A was manufactured by McDonnell Douglas with the first launch on 1959-01-21. Thor Agena A has 9 successful launches and 6 failed launches with a total of 15 launches. Thor-Agena was a series of orbital launch vehicles. The rockets used Thor first stages and Agena second stages. They are thus cousins of the more-famous Thor-Deltas, which founded the Delta rocket family.
Agency
United States Air Force
Type: Government
Abbreviation: USAF
Country: USA
