U.S. Marines with Airfield Operations Company, Marine Wing Support Squadron 472, Marine Aircraft Group 49, 4th Marine Aircraft Wing, load refueling equipment into a truck at Alternate Landing Zone Sandhill during Integrated Training Exercise 4-19 at Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., June 10, 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)