An HH-60 Pave Hawk helicopter from the 210th Rescue Squadron takes off from the tundra after loading simulated casualties during exercise Arctic Chinook, near Kotzebue, Alaska, August 24, 2016. 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)