Gun Smoke Army Pvt. Michael Rojas fires an M249 light machine gun during small arms training in Arta, Djibouti, May 2, 2017. Rojas is assigned to Combined Joint Task Force Horn of Africa's East African Response Force. Air Force photo by Staff Sgt. Nicholas M. Byers SHARE: Download: Full Size (0.75 MB) Credit: Staff Sgt. Nicholas Byers VIRIN: 170502-F-HB112-0386C.JPG Photo Gallery