Barksdale Air Force Base, La. --   U.S. Air Force Master Sgt. Alicia D. Williams, 307th Force Support Squadron (FSS) wing fitness program manager, explains the rules of the Fit to Fight Challenge to trainees of the 307th Developmental Training Flight and Airmen of the 307th Bomb Wing, Sept. 11, 2016, at Barksdale Air Force Base, La. The 307th FSS designed the challenge to encourage competition and boost morale within the 307th Bomb Wing. (U.S. Air Force photo by Senior Airman Callie Ware/ Released)