Second Lieutenant Ryan McGrail, a Baltimore, Md., native and Engineer Platoon commander with Engineer Company, Combat Logistics Battalion 6, 2nd Marine Logistics Group, based out of Camp Lejeune, N.C., supervises as Engineer Platoon builds a Southwest Hut during the Integrated Training Exercise at Twentynine Palms, Calif., May 22, 2013. The platoon spent 14 days in the desert building SWA huts, guard posts, and building improvements for future training operations.