U.S. and Chilean Army Special Forces Soldiers perform

U.S. and Chilean Army Special Forces Soldiers perform a helocast over Big Lake in Gulfport, Mississippi during Southern Strike 18, Oct. 25, 2017. Southern Strike 18 is a total force, multi-service training exercise hosted by the Mississippi Air National Guard's Combat Readiness Training Center in Gulfport, Mississippi from Oct. 23 through Nov. 3, 2017. The exercise emphasizes air-to-air, air-to-ground and special operations forces training opportunities. These events are integrated into demanding hostile and asymmetric scenarios with actions from specialized ground forces and combat and mobility air forces. (U.S. Air Force photo by Airman 1st Class Kristen Heller)