| Answer | Crossword Clue |
|---|---|
| SOVIETERA | Sputnik launch time |
| SPACEAGE | Period that began with Sputnik I's launch |
| RELEASEDATE | Launch time |
| SPACEAGE | Launch time? |
| HHOUR | Military launch time |
| DDAY | Attack-launch time |
| JETAGE | Commercially, it started in the U.S. around the time of the Boeing 707 launch |
