U.S. Air Force 1st Lt. Megan Freund, a clinical nurse with the 81st Medical Group, Keesler Air Force Base, Miss., erects a tent during Joint Readiness Training Center (JRTC) 14-05 training at Fort Polk, La., March 14, 2014. The JRTC provides U.S. military units and personnel with realistic pre-deployment training scenarios in all aspects of armed conflict.