Staff Sgt. Mike Hill, an explosive ordnance disposal technician with Explosive Ordnance Disposal Company, 8th Engineer Support Battalion and a Groveland, Mass., native, uses a metal detector to search a blast seat for any evidence or explosive hazards, during a post-blast analysis call, during a training exercise at EOD site 3 aboard Camp Lejeune, N.C., Dec. 15, 2014. EOD techs use evidence found to recognize trends. Technicians found no evidence during this call. (U.S. Marine Corps photo by Lance Cpl. Kirstin Merrimarahajara/released) - Staff Sgt. Mike Hill, an explosive ordnance disposal technician with Explosive Ordnance Disposal Company, 8th Engineer Support Battalion and a Groveland, Mass., native, uses a metal detector to search a blast seat for any evidence or explosive hazards, during a post-blast analysis call, during a training exercise at EOD site 3 aboard Camp Lejeune, N.C., Dec. 15, 2014. EOD techs use evidence found to recognize trends. Technicians found no evidence during this call. (U.S. Marine Corps photo by Lance Cpl. Kirstin Merrimarahajara/released)