Air Force ROTC Cadet John Lowery waits for the smoke to clear before he moves during a training exercise to rescue a "captured" American, March 6, 2010, at Goodfellow Air Force Base, Texas. The 17th Training Wing hosted cadets for two days during which cadets participated in class room instruction, field training and a deployment exercise. (U.S. Air Force photo/Master Sgt Randy Mallard)