Moon landing Early U.S. unmanned lunar missions (1958–1965) Early U.S. unmanned lunar missions (1958–1965)

| U_S_mission | Mass_kg | Launch_vehicle | Launched | Mission_goal | Mission_result |
|---|---|---|---|---|---|
| Pioneer P-30 | 175 | Atlas-Able | 25 September 1960 | Lunar orbit | Failure – second stage anomaly; reentry |
| Pioneer P-31 | 175 | Atlas-Able | 15 December 1960 | Lunar orbit | Failure – first stage explosion; destroyed |
| Ranger 1 | 306 | Atlas – Agena | 23 August 1961 | Prototype test | Failure – upper stage anomaly; reentry |
| Ranger 2 | 304 | Atlas – Agena | 18 November 1961 | Prototype test | Failure – upper stage anomaly; reentry |
| Ranger 3 | 330 | Atlas – Agena | 26 January 1962 | Moon Landing | Failure – booster guidance; solar orbit |
| Ranger 5 | 342 | Atlas – Agena | 18 October 1962 | Moon Landing | Failure – spacecraft power; solar orbit |
| Ranger 6 | 367 | Atlas – Agena | 30 January 1964 | Lunar impact | Failure – spacecraft camera; crash impact |