Master Sgt. Nicholas Tessmer, a 28th Security Forces Combat Arms Training and Maintenance instructor (right), reviews a target with an Airman during security forces augmentee training at Ellsworth Air Force Base, S.D., July 19, 2018. With a class of 22 Airmen from around the base, these augmentees help fill base security requirements in addition to performing their primary duties. (U.S. Air Force photo by Airman John Ennis)