| U.S. Air Force Senior Airman Stephen Boniol 
			demonstrates how to operate a control tower light signaling gun on 
			an air base in Southwest Asia, May 18, 2009. 
			The light gun is used 
			to communicate with either aircraft or ground vehicles during 
			communications failures. 
			Boniol is an air traffic controller with 
			the 379th Expeditionary Operations Squadron. 
			
			U.S. Air Force photo by 
			Staff Sgt. Joshua Garcia  |