U.S. Army Sgt. Harrison Green, a patient administrator with the 7202nd Medical Support Unit, checks the vaccination cards of the 485th Engineer Company at the Combat Support Training Exercise in Fort McCoy, Wis., Aug. 6, 2021. Medical Soldiers screened troops attending the event for COVID to prevent the spread of the virus and keep troops healthy. The 7202nd Medical Support Unit is based in Shoreham, NY. (U.S. Army photo by Sgt. 1st Class Gary A. Witte, 642nd Regional Support Group)