Mississippi Air National Guard Senior Airman Anthony McKinney, a patrolman with the 186th Security Forces Squadron, gives a mission update for a simulated hijacking scenario during Exercise Southern Strike 16 at the Gulfport Combat Readiness Training Center, Miss., Nov. 5, 2015. (Jamal D. Sutter/U.S. Air Force)

Airman 1st Class James Boyce, 51st Civil Engineer Squadron explosive ordnance disposal technician, inspects a simulated unexploded mortar round during exercise Vigilant Ace 16 at Osan Air Base, South Korea, Nov. 6, 2015. Vigilant Ace 16 is a U.S. and ROK combined exercise designed to enhance operational and tactical level coordination through combined, joint combat training. (Travis Edwards/U.S. Air Force)

A Langley Honor Guardsman prepares to perform a flag folding ceremony during a Veterans Day Wreath Laying in Hampton, Va., Nov. 11, 2015. (Kayla Newman/U.S. Air Force)

An Idaho Air National Guard A-10, Thunderbolt II, flies over southern Idaho after receiving fuel from a Utah Air National Guard KC-135R Stratotanker on Nov. 8, 2015. (Annie Edwards/U.S. Air Force)

U.S. Air Force Senior Airman John Del Guidice, 31st Maintenance Squadron weapons load team member, secures a munition onto an F-16 Fighting Falcon, Nov. 9, 2015, at Aviano Air Base, Italy. (Austin Harvill/U.S. Air Force)