U.S. Air Force Capt. Diana Sluhan, a security forces offficer assigned to the 180th Fighter Wing, Ohio Air National Guard, fires a crew-served weapon mounted atop a humvee April 12, 2017 during training at the Fort Custer Training Center in Battle Creek, Michigan. Frequent training events allow Airmen to prepare for deployments, ensuring they are fit to fight. (U.S. Air National Guard photo by Staff Sgt. Shane Hughes)