U.S. Marines with A Company, 4th Tank Battalion, 4th Marine Division, prepare a lift system at Range 500 during Integrated Training Exercise 4-19 at Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., June 9, 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)