Chile and U.S. Special Forces wait for a U.S. Army UH-60 Blackhawk to evacuate two simulated hostages July 22, 2016 during a training rescue operation as part of exercise Southern Star in Antofagasta, Chile. USSF assigned to Special Operations Command South conducted simulated operations under the command and control of a Chile and U.S. combined operational headquarters. (U.S. Army Photo by Staff Sgt. Osvaldo Equite/Released)