Marines with 2nd Battalion, 2nd Marine Regiment lay in the prone while they set up a bangalore charge to destroy a wire trap during a demolitions exercise with 2nd Combat Engineer Battalion at Engineer Training Area 7 on Camp Lejeune, N.C., Sept. 22, 2015. Marines with 2/2 increased their proficiency and knowledge with various charges and techniques with the help of 2nd CEB. (U. S. Marine Corps photo by Cpl. Alexander Mitchell/released) - Marines with 2nd Battalion, 2nd Marine Regiment lay in the prone while they set up a bangalore charge to destroy a wire trap during a demolitions exercise with 2nd Combat Engineer Battalion at Engineer Training Area 7 on Camp Lejeune, N.C., Sept. 22, 2015. Marines with 2/2 increased their proficiency and knowledge with various charges and techniques with the help of 2nd CEB. (U. S. Marine Corps photo by Cpl. Alexander Mitchell/released)