Rapid Fire A soldier fires a machine gun from the turret of a tactical vehicle during Saber Junction 17, an exercise with about 4,500 participants from 13 NATO and partner nations at the Joint Multinational Readiness Center, Hohenfels, Germany, May 15, 2017. The soldier is assigned to 1st Battalion, 4th Infantry Regiment. Army photo by Staff Sgt. Richard Frost SHARE: Download: Full Size (0.35 MB) Credit: Staff Sgt. Richard Frost VIRIN: 170515-A-OM689-002C.JPG Photo Gallery