Pararescuemen from the 212th Rescue Squadron, Alaska Air National Guard, triage simulated casualties inside their Arctic Sustainment Package tent during exercise Arctic Chinook, near Kotzebue, Alaska, August 23. Arctic Chinook is a joint U.S. Coast Guard and U.S. Northern Command sponsored exercise which focuses on multinational search and rescue readiness to respond to a mass rescue operation requirement in the Arctic. (U.S. Air National Guard photo by Staff Sgt, Edward Eagerton/released)