U.S. Marines with the helicopter support team of Airfield Operations Company, Marine Wing Support Squadron 472, Marine Aircraft Group 49, 4th Marine Aircraft Wing, prepare to load a jet fuel bladder via a CH-53 Super Stallion at Alternate Landing Zone Sandhill during Integrated Training Exercise 4-19 at Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., June 10, 2019. Marine Forces Reserve units participate in ITX to both complete annual training requirements and to increase unit readiness and proficiency. (U.S. Marine Corps photo by Lance Cpl. Preston L. Morris)