Staff Sgt. Randall Walker, an explosive ordnance disposal technician with Marine Corps Base Hawaii Explosive Ordnance Disposal and 27-year-old native of Murray, Ky., scans an object to determine what’s inside, Dec. 13, 2013.(U.S. Marine Corps photo by Cpl. Nathan Knapke) - Staff Sgt. Randall Walker, an explosive ordnance disposal technician with Marine Corps Base Hawaii Explosive Ordnance Disposal and 27-year-old native of Murray, Ky., scans an object to determine what’s inside, Dec. 13, 2013.(U.S. Marine Corps photo by Cpl. Nathan Knapke)