U.S. Air National Guard Chief Master Sgt. Scott Whitley, from the 161st Security Forces Squadron, crawls through a portion of the U.S. Army’s confidence course during an annual training event at Camp San Luis Obispo, California, July 31, 2018. The 10-day annual-training exercise brought together Security Forces members from four Air National Guard units in Arizona and Illinois to improve weapons, land navigation, and tactical movement skills. (U.S. Air National Guard photo by Staff Sgt. Dillon Davis)