| Spacecraft | Launch | Launch vehicle |
|---|---|---|
Pioneer 3 | December 6, 1958 | Juno II |
Explorer 3 | March 26, 1958 | Juno I |
Explorer 1 | February 1, 1958 | Juno I |
| Spacecraft | Launch | Launch vehicle |
|---|---|---|
Pioneer 3 | December 6, 1958 | Juno II |
Explorer 3 | March 26, 1958 | Juno I |
Explorer 1 | February 1, 1958 | Juno I |