| Answer | Crossword Clue |
|---|---|
| ENOS | 1961 Project Mercury chimp |
| ENOS | Project Mercury chimp |
| ENOS | Mercury-Atlas 5 chimp |
| ENOS | Chimp in the Mercury program |
| HAM | Famous chimp in the Mercury space program |
| ENOS | 1961 space-chimp |
| ENOS | 1961 space chimp |
| ENOS | 1961 chimp in space |
| ENOS | Space chimp of 1961 |
| ENOS | Orbiting chimp of 1961 |
| ENOS | Space-going chimp of 1961 |
