U.S. Army Sgt. Paul Berwise, an UH-60 Black Hawk mechanic,

U.S. Army Sgt. Paul Berwise, an UH-60 Black Hawk mechanic, Charlie Company, 3rd Battalion, 126th Aviation Regiment (Air Ambulance), 86th Troop Command, Garrison Support Command, Vermont National Guard, works on a helicopter at the Army Aviation Support Facility in South Burlington, Vt., June 6, 2018. UH-60 Black Hawks require regular maintenance to keep the aircraft mission ready. (U.S. Army National Guard photo by Sgt. Avery Cunningham)