| Answer | Crossword Clue |
|---|---|
| APOLLOS | Early NASA missions |
| EVAS | Some NASA missions |
| APOLLOS | Some NASA missions |
| APOLLOS | Historic NASA missions |
| EVAS | Some NASA data-retrieval missions |
| CCCP | Letters associated with early space missions |
| RHESUS | Primate used in early Project Mercury missions |
