Army Reserve drill sergeant Sgt. 1st Class Aubrey McElroy, Company B, 1st Battalion, 320th Infantry Regiment, 98th Training Division (IET), grades a contestant during the drill module portion of the Drill Sergeant of the Year competition at Fort Jackson, S.C., March 22. The highly competitive series of events spans five days and tests drill sergeants’ skills in more than 18 critical areas, including two mystery events. The top two winners will go on to compete in the TRADOC Drill Sergeant of the Year competition later this year at Fort Jackson, S.C. (U.S. Army photo by Sgt. Brandon Rizzo/released)