KAHILTNA GLACIER A CH-47F Chinook helicopter transports equipment and supplies to the 7,200-foot level of Kahiltna Glacier, April 26, 2013. Crews, assigned to the 1st Battalion, 52nd Aviation Regiment, aided the National Park Service by transporting equipment and supplies to the 7,200-foot level of the glacier to set up a base camp for climbers attempting Mount McKinley this summer. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 086936-B-MGU86-682.jpg Photo Gallery