Soldiers from the 1st Battalion, 52nd Aviation Regiment

Soldiers from the 1st Battalion, 52nd Aviation Regiment pull maintenance on a CH-47F Chinook helicopter Feb. 27, 2020, at Fort Wainwright, Alaska, to ensure it is ready to fly missions in support of Arctic Edge 2020. As a Homeland Defense exercise, AE20 is designed to provide high quality and effective training in the extreme cold-weather conditions found in Arctic environments. The exercise is conducted under the authority of North American Aerospace Defense Command and U.S. Northern Command. AE20 is the largest joint exercise scheduled in Alaska this year. (Army photo/John Pennell)