DESERT ROCK VOLUNTEER OBSERVER PROGRAM (OFFICER VOLUNTEERS) SHOT DATE YIELD GROUND ZERO ARMY NAVY AIR FORCE MARINES TOTAL 24 Mar 53 24 kt 2500 4 4 1 0 9 BADGER 18 Apr 53 23 kt 2000 5 0 0 6 11 SIMON 25 Apr 53 43 kt 2000 7 1 0 0 8 5 May 55 29 kt 2600 10 0 0 0 10 19 Jul 57 2 kt 3 0 2 0 5 29 5 3 6 43 JOHN TOTAL o* 4 *High~altitude shot, 14,500 feet above the desert. Uxvu (YDS) NANCY APPLE II Ho NUMBER OF OBSERVERS DISTANCE FROM