Senior Airman Hunter Gwin and other 82nd Security Forces Squadron members prepare for a training round at the Combat Arms Training and Maintenance facility at Sheppard Air Force Base, Texas, Feb. 21, 2019. For this specific portion of their training, Airmen were required to show proficiency in firing a simulated shot from the M4 carbine and switching to the M9 Beretta pistol. (U.S. Air Force photo by John Ingle)