| Answer | Crossword Clue |
|---|---|
| AEROBEE | Rocket for altitude research. |
| THRUSTFUND | Dollars for rocket research? |
| rockoon | rocket launched from a balloon at a high altitude |
| thrusters | A small rocket engine on a spacecraft, used to make alterations in its flight path or altitude |
| ARIANE | French research rocket |
| AEROBEE | U.S. research rocket |
