An M1150 Assault Breacher Vehicle with Engineer Company, Combat Logistics Battalion 23, 4th Marine Logistics Group, follows behind the main attack body of the mechanized assault course during Integrated Training Exercise 4-19 at Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., June 12, 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)