81st SFS hosts Defender's Challenge Ruck
Members of the 81st Security Forces Squadron participate in the ammo carry portion of the 81st SFS Defender's Challenge Ruck on the Crotwell Track on Keesler Air Force Base, Mississippi, Aug. 16, 2019. The competition, consisting of 11 four-person teams, completing seven obstacles, was one of several events in recognition of The Year of the Defender. (U.S. Air Force photo by Kemberly Groue)