U.S. Marine Corps Pfc. Joseph Zerener, left, amphibious

U.S. Marine Corps Pfc. Joseph Zerener, left, amphibious assault vehicle operator, combat assault company, and Lance Cpl. Robert Yager, grenadier, 3rd Marine Division, pose for a portrait during Integrated Training Exercise (ITX) 2-19 at Range 220 on Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., Jan. 26, 2019. The purpose of ITX 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 Lance Cpl. Colton Brownlee)