| Answer | Crossword Clue |
|---|---|
| ENOS | Early simian in space |
| ENOS | Simian in space |
| ENOS | Simian space traveler |
| MOE | Simian space pioneer |
| ABLE | Simian space traveler: 1959 |
| CHIMPS | Early space travelers |
| ENOS | Early space traveler. |
| APOLLOI | Early space mission |
| ENOS | Early space chimp |
| MIR | Early space station |
| SPUTNIK | Early space traveler |
| MONKEYS | Early space travelers |
| VOSTOK | Early Soviet space program |
| LUNIK | Early Soviet space probe |
| LUNA | Early Soviet space probe |
| ALAN | Early space explorer Shepard |
| CCCP | Letters associated with early space missions |
