U.S. Marine Corps Pfc. Michael R. Pitruzzello, left, and Lance Cpl. Patrick E. Thornberg, right, both mortarmen with 1st Battalion, 25th Marine Regiment, 4th Marine Division, adjust an 81mm mortar system during Integrated Training Exercise 5-19 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., July 26, 2019. ITX 5-19 is an essential component of the Marine Forces Reserve training and readiness cycle. It serves as the principal exercise for assessing a unit’s capabilities. (U.S. Marine Corps photo by Lance Cpl. Jose Gonzalez)