U.S Marine Corps Maj. David Hull, company commander for Bravo Company, 1st Battalion, 25th Marine Regiment, 4th Marine Division gets accountability of his Marines for Mission Rehearsal Exercise (MRX) at Camp Ethan Allen Training Site (CEATS), Jericho, VT. The MRX is a collective training event with Marine Air Ground Task Force integration to evaluate the Marines’ individual and cooperative capabilities in order to ensure the level of readiness for upcoming Integrated Training Exercise 4-23, the largest Marine Corps Reserve exercise of the year (U.S. Marine Corps photo by Staff Sgt. Jestin Costa).