| Spacecraft | Launch | Launch vehicle |
|---|---|---|
 Mariner 2 | August 27, 1962 | Atlas-Agena B |
 Mariner 1 | July 22, 1962 | Atlas-Agena B |
 Ranger 3 | January 26, 1962 | Atlas-Agena B |
 Ranger 2 | November 18, 1961 | Atlas-Agena B |
 Ranger 1 | August 23, 1961 | Atlas-Agena B |
 Pioneer 4 | March 3, 1959 | Juno II |
 Explorer 3 | March 26, 1958 | Juno I |