Karl Slingerland, a civilian adviser at U.S. Army Alaska's Northern Warfare Training Center, discusses the route to the peak of Mount McKinley with Spc. Colton Carr on Kahiltna Glacier May 20. Silngerland an Carr are members of a team of eight climbers from Fort Wainwright who were transported by B Company, 1st Battalion, 52nd Aviation Regiment to the National Park Service base camp on the glacier to begin their attempt to climb North America's tallest peak. The team members are representatives of U.S. Army Alaska's Northern Warfare Training Center and the 1st Stryker Brigade Combat Team, 25th Infantry Division. (Army photo/John Pennell)