| Answer | Crossword Clue |
|---|---|
| ABORT | Verb in the space program |
| HAM | Famous chimp in the Mercury space program |
| SOYUZ | Russian space program started in the 1960s |
| APOLLO | Space program to the moon |
| STARTREK | Space program of the '60s |
| SATURNROCKET | Booster of the Apollo space program |
| ATLANTIS | Its 2011 landing marked the end of the Space Shuttle program |
