Staff Sgt. Dallas Crandell, 736th Security Forces Squadron fire team leader, from Andersen Air Base, Guam, explains joint defense sectors to Republic of Korea Air Force military police July 23, 2019, at Gwangju Air Base, Republic of Korea. The training prepared them for the practical application at the end of the week where they simulated response force actions. (U.S. Air Force photo by Staff Sgt. James L. Miller)