A U.S. Army Alaska Aviation Task Force CH-47 Chinook helicopter returns to Talkeetna, Alaska, May 20, 2013, after transporting a team of eight Soldiers and one Army civilian to the National Park Service base camp on the Kahiltna Glacier to begin their attempt to climb Mount McKinley. The helicopter crew members are assigned to Bravo Company, 1st Battalion, 52nd Aviation Regiment. The climbing team members are representatives of U.S. Army Alaska's Northern Warfare Training Center and the 1st Brigade Combat Team, 25th Infantry Division, Fort Wainwright, Alaska. (U.S. Army photo by John Pennell/Released)