2nd Combat Engineer Battalion, 2nd Marine Division constructs various fortifications and defensive positions during their annual Marine Corps Combat Readiness Evaluation on Camp Lejeune, N.C., April 4-8, 2016. The training helped reinforce the battalion’s mission to provide close combat engineer support to the 2nd Marine Division in order to enhance their mobility, counter-mobility, and survivability. (U.S. Marine Corps photo by Cpl. Shannon Kroening/ Released) - 2nd Combat Engineer Battalion, 2nd Marine Division constructs various fortifications and defensive positions during their annual Marine Corps Combat Readiness Evaluation on Camp Lejeune, N.C., April 4-8, 2016. The training helped reinforce the battalion’s mission to provide close combat engineer support to the 2nd Marine Division in order to enhance their mobility, counter-mobility, and survivability. (U.S. Marine Corps photo by Cpl. Shannon Kroening/ Released)