A photo illustration depicts U.S. Air Force Tech. Sgt. Matthew Hampton, a Bystander Intervention Training (BIT) instructor, intervening on an alleged sexual assault situation at Joint Base Charleston Air Base, N.C., April 17, 2012. BIT is mandatory for all active duty military and teaches the importance of recognizing the signs of a possible sexual assault and the right way in taking a stand against it. (DoD photo illustration by Staff Sgt. Nicole Mickle, U.S. Air Force/Released)