Capt. Kyle Buss, the 36th Security Forces Squadron operations officer, climbs over a wall during the second annual Security Forces Advanced Combat Skills Assessment June 6, 2017, at Andersen Air Force Base, Guam. The mental and physical challenge portion tested basic combat skills and knowledge of competitors at different stations along an obstacle course through the jungle. (U.S. Air Force photo/Airman 1st Class Gerald R. Willis)