U.S. Army Specialist Darius Clarkston, 221st Military Police Detachment patrolman, changes his boots after a ruck march at Joint Base Langley-Eustis, Virginia, Oct. 21, 2020. Foot care plays an important role in the health and well-being of a warrior in the field. (U.S. Air Force photo by Staff Sgt. Joshua Magbanua)