U.S. Marine Corps students with Basic Logistics Embarkation Course 1-14, Logistics Operations School (LOS) Marine Corps Combat Service Support Schools, waterproof and secure a pallet of cargo during a practical application exercise aboard Camp Johnson, N.C., Oct. 16, 2013. The instructors of LOS teach student Marines how to properly load, build, and secure pallets of cargo for transport. (U.S. Marine Corps Combat Camera photo by Sergeant Mark E. Morrow/Released)