U.S. Marine Corps Cpl. Dakota R. Frey, a heavy equipment operator with Marine Wing Support Squadron 471, Marine Aircraft Group 41, 4th Marine Aircraft Wing, operates a hydraulic excavator at Canadian Forces Base Cold Lake, Canada, June 12, 2019, in preparation of Sentinel Edge 19. Reserve Marines with MAG-41 worked together to rebuild a road in order to build community relations, maintain job proficiency and ensure deployment readiness. (U.S. Marine Corps photo by Lance Cpl. Jose Gonzalez)