U.S. service members participate in an Explosive Ordnance Disposal (EOD) course conducting practical application electrical demolition procedures, Oct. 30, 2019, Camp Foster, Okinawa, Japan. The EOD course’s purpose is to teach basic demonstration effects, explosive theory, safety considerations while on the range, and how to set up demolition charges. (U.S. Marine Corps photo by Lance Cpl. Karis Mattingly)