CAMP LEJEUNE, N.C. – Capt. Phoebe D. Riner, the staff judge advocate with the Command Element, Special Purpose Marine Air-Ground Task Force - Southern Command, explains the rules of engagement to Marines and sailors during General Exercise 2 at Marine Corps Base Camp Lejeune, North Carolina, April 29, 2017. The Marines simulated a noncombatant evacuation operation in order to prepare for crisis response situations they could face during their deployment to Central America. (U.S. Marine Corps photo by Sgt. Ian Leones)