U.S. Marine Maj. Tom Frey, a pilot with Marine Fighter Attack Squadron 112, Marine Aircraft Group 41, 4th Marine Aircraft Wing prepares for take-off with an F-18 Hornet during Integrated Training Exercise 4-19 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., June 12, 2019. Training exercises such as ITX ensure 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 Cpl. Tessa D. Watts)