171105-Z-KB808-0020
U.S. Air Force Senior Airman John Shafer, 916th Security Forces specialist, performs the aerobics portion of the physical fitness assessment at Seymour Johnson Air Force Base, N.C., Nov. 5, 2017. The aerobics portion of the assessment consists of a timed, 1.5-mile run. (U.S. Air Force photo by Senior Airman Kayla Newman)