| Answer | Crossword Clue |
|---|---|
| OPEL | Rocketry pioneer |
| LEY | Rocketry pioneer Willy |
| AGENA | Rocketry word |
| NASA | Rocketry org. |
| SONDE | Rocketry probe |
| LEY | Rocketry expert |
| INERTIAL | ... guidance in rocketry |
| NOSECONE | Tip on rocketry. |
| LEY | Willy ... of rocketry |
| LEY | Willy ..., rocketry expert |
| BLASTOFF | Term in rocketry. |
| RETRO | Term in rocketry. |
| LEY | Rocketry writer Willy |
| AOK | Perfect, in rocketry |
| AGENA | Term in rocketry. |
| THRUSTFUND | Investment in rocketry? |
| PADS | Launching sites, in rocketry. |
| GODDARD | Father of modern rocketry |
| LEY | Willy ..., pioneering writer on rocketry |
