U.S. Air Force Tech. Sgt. Jennifer Gemmell, 633rd Communications Squadron quality assurance evaluator, hides in a corner of a dormitory day room during a simulated hostage situation at Langley Air Force Base, Va., Nov. 19, 2013. Gemmell was taken hostage by an Airman simulating post-traumatic stress disorder after his recent deployment to Afghanistan. (U.S. Air Force photo by Airman 1st Class Kimberly Nagle/Released)