U.S. Marine Corps Staff Sgt. Steve Chownyk, motor transport operations chief, and Cpl. Samuel Mattison, motor transport operator, Marine Wing Support Squadron 471, relax before the start of a convoy brief during Integrated Training Exercise 4-14 aboard the Marine Corps Air Ground Combat Center Twentynine Palms, Calif., June 10, 2014. Marines from MWSS 471 are training to be part of a Marine Air Ground Task Force.