| Answer | Crossword Clue |
|---|---|
| WHITESANDS | Southwest proving grounds |
| ROADTESTS | Proving-grounds workouts. |
| TESTERS | Proving-grounds personnel |
| NEVADA | Site of atomic proving grounds. |
| WHITESANDS | New Mexico rocket proving grounds. |
| ABERDEEN | Site of Army Ordnance Proving Grounds. |
| ABERDEEN | Maryland site of Army Proving Grounds. |
| ABERDEEN | Seat of large Army proving grounds. |
| ENIWETOK | Pacific proving grounds of atomic weapons. |
| ENIWETOK | U. S. atomic weapons proving grounds. |
| ABERDEEN | Location of major U. S. Army proving grounds. |
