Combat Crew Communications
WHITEMAN AIR FORCE BASE, Mo. -- Tech. Sgt. Keith Harvey, 509th Operations Support Squadron Combat Crew Communications section chief, gives a step-by-step aircrew communications security training session to Maj. Joseph Knothe, 509th OSS assistant director of operations, July 3. The training ensures the aircrew member understands he knows the communications security procedures needed while in-flight. (U.S. Air Force photo/Senior Airman Nick Wilson) (Released)