U.S. Army Christopher A. Anderson of Charleston, S.C., an information technology specialist with the 207th Regional Support Group, maintains an observation post during the Combat Support Tactical Exercise at Fort McCoy, Wis., Aug. 16, 2019. Units had to maintain 24-hour security in the face of simulated attacks during the training event. (U.S. Army photo by Sgt. 1st Class Gary A. Witte, 207th Regional Support Group)