Marines with Company A, 1st Battalion, 24th Marine Regiment, use an empty rocket tube to stabilize the leg of a notional casualty during a company-size assault on Range 400 as part of Integrated Training Exercise 4-13 at the Marine Corps Air Ground Combat Center, here, June 20. ITX is the largest annual Marine Forces Reserve training exercise and a cornerstone of the Marine Air Ground Task Force Training Program, with more than 5,000 Marines participating from units across the United States, utilizing assets from ground, air and logistic combat elements. (U.S. Marine Corps photo by Cpl. John M. McCall)