U.S. Marine Corps Staff Sgt. Antonio Rodriguez, an

U.S. Marine Corps Staff Sgt. Antonio Rodriguez, an avionics staff noncommissioned officer with Marine Light Attack Helicopter Squadron 775, Marine Aircraft Group 41, 4th Marine Aircraft Wing, conducts a maintenance check at Canadian Forces Base Cold Lake, Canada, June 16, 2019, in support of Sentinel Edge 19. Training exercises, such as SE19, ensures Reserve Marines are proficient and capable of successful integration with active-duty Marines, making Marine Forces Reserve critical to the Marine Corps’ Total Force. (U.S. Marine Corps photo by Lance Cpl. Jose Gonzalez)