Brandon Powers, 28th Medical Group Health and Wellness Center exercise physiologist, explains the rules of the Sexual Assault Prevention Combat Challenge to event participants in the Pride Hangar at Ellsworth Air Force Base, S.D., April 24, 2014. The event, hosted and coordinated by the HAWC and the 28th Bomb Wing Sexual Assault Prevention and Response office, was designed to not only encourage physical fitness but raise awareness about sexual assault prevention. (U.S. Air Force photo by Senior Airman Zachary Hada/Released)