Master Sgt. Rebecca Corey holds her most important tool, the camera, at the flightline on Altus Air Force Base, Okla., Dec. 6, 20120. After her 2009 deployment to Ghazni province, Afghanistan, as a combat photographer, Corey struggled with life-altering post-traumatic stress disorder. Today, she is the NCO in charge at the 97th Air Mobility Wing. (U.S. Air Force photo/Senior Airman Jesse Lopez)