Army Reserve drill sergeants at Fort Jackson
New recruits with Bravo Company, 2nd Battalion, 13th Infantry Regiment at Fort Jackson, S.C., take a test on the principles of land navigation while a sergeants inspect their work on the land navigation range at Fort Jackson, Aug. 3, 2017. Army Reserve drill sergeants work with active duty drill sergeants at Fort Jackson to counter the influx of new recruits that occurs during the summer months. (U.S. Army Reserve photo by Spc. Jeremiah Woods)

Photo by: Spc. Jeremiah Woods |  VIRIN: 170803-A-GJ415-614.JPG