2015 Army Reserve Drill Sergeant of the Year competition
Army Reserve Drill Sergeant of the Year contestant, Staff Sgt. Mark Mercer, 95th Training Division (IET), teaches a Basic Combat Training Soldier inspection arms by the numbers during the third day of the four-day TRADOC Drill Sergeant of the Year competition held at Fort Jackson, S.C., Sept. 7-10, 2015. Mercer is in a head-to-head competition with Staff Sgt. Russell Vidler, 98th Training Division (IET), for the title of Army Reserve's top drill sergeant. (U.S. Army photo by Sgt. 1st Class Brian Hamilton)