U.S. Marines with November Battery, 5th Battalion, 14th Marine Regiment, 4th Marine Division, reload an M777 howitzer during a fire mission at Gays Pass during Integrated Training Exercise 4-19 at the Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., June 14, 2019. The ITX force includes each of the Marine Air-Ground Task Force’s subordinate elements who work together in the application of combined-arms maneuver warfare during the exercise. (U.S. Marine Corps photo by Lance Cpl. Preston L. Morris)