U.S. Army Spc. Riley Stonemenger, 757th Expeditionary Rail Command railway planning and advisory team member, uses a pick to loosen rotted rail ties during a training course at Joint Base Langley-Eustis, Va., Oct. 4, 2016. Rail advisory missions can range from advising military units on transporting equipment for the U.S. Air Force, humanitarian supplies for the Army, fuel for the U.S. Marines and a variety of other supplies or equipment for any interested military party. (U.S. Air Force photo by Staff Sgt. Natasha Stannard)