Sgt. Maj. of the Army Michael A. Grinston receives a 128th Aviation Brigade coin during a visit at Joint Base Langley-Eustis, Virginia, June 23, 2020. Grinston toured the helicopter hangar where Advanced Individual Training students learn to perform maintenance on the AH-64 Apache, UH-60 Black Hawk and CH-47 Chinook. (U.S. Air Force photo by Staff Sgt. Kaylee Dubois)