A Marine with 2nd Explosive Ordnance Disposal Company, 8th Engineer Support Battalion sets up an explosive charge to detonate during a dynamic entry sustainment course at a Military Operations in Urban Terrain exercise aboard Camp Lejeune, N.C., March 9, 2015. Safety was a key aspect when conducting dynamic entry with explosive charges and Marines rehearsed each set up before going live. - A Marine with 2nd Explosive Ordnance Disposal Company, 8th Engineer Support Battalion sets up an explosive charge to detonate during a dynamic entry sustainment course at a Military Operations in Urban Terrain exercise aboard Camp Lejeune, N.C., March 9, 2015. Safety was a key aspect when conducting dynamic entry with explosive charges and Marines rehearsed each set up before going live.