Retired Coast Guard Commandant Adm. Bob Papp, U.S. Department of State Special Representative for the Arctic, poses with Macy Rae Kenworthy, an Arctic Youth Ambassador, in Kotzebue, Alaska, during Arctic Chinook, Aug. 24, 2016. Arctic Chinook is a joint U. S. Coast Guard and U. S. Northern Command-sponsored full-size exercise that consists of a live field training exercise in a Unified Command structure. U.S. Coast Guard photo by Petty Officer 3rd Class Meredith Manning