U.S. Marines with Marine Wing Support Squadron 172

U.S. Marines with Marine Wing Support Squadron 172 report damage and clear a flightline for aircraft during airfield security training at Marine Corps Air Station Futenma, Okinawa, Japan, Oct. 20, 2019. The Marines identified and cleared routes of simulated hazardous materials, obstructions and explosive ordnance over the course of three days in order to train for the safe and practical execution of humanitarian and disaster relief operations. (U.S. Marine Corps photo by Lance Cpl. Madeline Jones)