A member of the 571st Contingency Response Group stationed at Travis Air Force Base, Calif., trains during an exercise at the Joint Readiness Training Center at Fort Polk, La., Jan. 19, 2015. JRTC is a 34th Combat Training Squadron exercise for the U.S. Army that improves unit readiness by providing realistic, stressful, joint and combined arms training across the full spectrum of conflict. The Airmen helped support the exercise, and also provided an opportunity for internal training. (U.S. Air Force photo/Staff Sgt. Gustavo Gonzalez/RELEASED)