U.S. Marines with 1st Battalion, 6th Marine Regiment

U.S. Marines with 1st Battalion, 6th Marine Regiment coordinate ground and air forces on the Regimental Assault Course during Integrated Training Exercise (ITX) 1-20 on Marine Corps Air Ground Combat Center, Twentynine Palms, California, Oct. 28, 2019. The purpose of ITX 1-20 is to create a challenging, realistic training environment that produces combat-ready forces capable of operating as an integrated Marine Air Ground Task Force. (U.S. Marine Corps photo by Cpl. Timothy J. Lutz)