36th SFS Airmen battle it out during Defender Challenge
Airmen from the 36th Security Forces Squadron flip a tire during the Defender Challenge June 22, 2015, at Andersen Air Force Base, Guam. Airmen tested their physical and mental strength through various obstacles and challenges during the competition, ending with a live-fire shooting course. (U.S. Air Force photo by Airman 1st Class Joshua Smoot/Released)