Marines with 2nd Battalion, 2nd Marine Regiment learn how to make adjustments on the 61mm mortar system at a live-fire range aboard Camp Lejeune, N.C., June 25, 2015. The exercise allowed Marines new to the unit to gain knowledge and experience with both 61mm and 80 mm mortal systems. (U.S. Marine Corps photo by Cpl. Michael Dye/Released) - Marines with 2nd Battalion, 2nd Marine Regiment learn how to make adjustments on the 61mm mortar system at a live-fire range aboard Camp Lejeune, N.C., June 25, 2015. The exercise allowed Marines new to the unit to gain knowledge and experience with both 61mm and 80 mm mortal systems. (U.S. Marine Corps photo by Cpl. Michael Dye/Released)

Marines and spouses socialize while waiting to ride on an M1A1 Abrams tank during Spouse Appreciation Day at range SR-10 aboard Camp Lejeune, N.C., June 2, 2015. 2nd Tank Battalion put on an event in which the spouses would participate in events to give a better understanding of what their husbands experience on a day-to-day basis. - Marines and spouses socialize while waiting to ride on an M1A1 Abrams tank during Spouse Appreciation Day at range SR-10 aboard Camp Lejeune, N.C., June 2, 2015. 2nd Tank Battalion put on an event in which the spouses would participate in events to give a better understanding of what their husbands experience on a day-to-day basis.

Marines with Bravo Company, 2nd Combat Engineer Battalion use combat maneuvering skills to close with a simulated enemy during a live-fire and maneuver exercise at a range aboard Camp Lejeune, N.C., June 6, 2015. “This is what infantry is,” said Sgt. Christian Sampson, a combat engineer with the company. “As engineers, most people assume that we build stuff and blow stuff up, but we basically are infantry units trained as engineers.” (U.S. Marine Corps photo by Pfc. David N. Hersey/Released) - Marines with Bravo Company, 2nd Combat Engineer Battalion use combat maneuvering skills to close with a simulated enemy during a live-fire and maneuver exercise at a range aboard Camp Lejeune, N.C., June 6, 2015. “This is what infantry is,” said Sgt. Christian Sampson, a combat engineer with the company. “As engineers, most people assume that we build stuff and blow stuff up, but we basically are infantry units trained as engineers.” (U.S. Marine Corps photo by Pfc. David N. Hersey/Released)