Bumper Test Launches
| Rocket number | Time | Launch site | Pad | Maximum altitude | Remarks |
| 1948 | |||||
| Bumper 1 | May 13, 1948 | White Sands | Pad 33 | 127.3 km (79.1 mi) | Premature cut-off of WAC 2nd stage |
| Bumper 2 | August 19, 1948 | White Sands | Pad 33 | 13.4 km (8.3 mi) | First stage failed due to propellant flow interruption |
| Bumper 3 | September 30, 1948 | White Sands | Pad 33 | 150.3 km (93.4 mi) | WAC stage failed |
| Bumper 4 | November 1, 1948 | White Sands | Pad 33 | 4.8 km (3.0 mi) | Explosion in tail of V-2 |
| 1949 | |||||
| Bumper 5 | February 24, 1949 | White Sands | Pad 33 | 393 km (244 mi) | Successful flight. Separation of stages at 32.2 km (20.0 mi) |
| Bumper 6 | April 21, 1949 | White Sands | Pad 33 | 49.9 km (31.0 mi) | Premature V-2 cut-off; WAC stage failed to fire |
| 1950 | |||||
| Bumper 8 | July 24, 1950 | Cape Canaveral | Pad 3 | 16.1 km (10.0 mi) | Low-angle atmospheric flight over 320 km (200 mi) range. First rocket launch from Cape Canaveral. |
| Bumper 7 | July 29, 1950 | Cape Canaveral | 16.1 km (10.0 mi) | Low-angle atmospheric flight over 320 km (200 mi) range | |
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