U.S. Army Sgt. Douglas Ouellette fires his M4 carbine during partnered marksmanship live-fire training on Tactical Base Gamberi in eastern Afghanistan, May 29, 2015. Ouellette is an infantryman assigned to the 101st Airborne Division. U.S. Army Sgt. Douglas Ouellette fires his M4 carbine during partnered marksmanship live-fire training on Tactical Base Gamberi in eastern Afghanistan, May 29, 2015. Ouellette is an infantryman assigned to the 101st Airborne Division. SHARE: Download: Full Size (1.97 MB) Tags: Photo Essays Credit: VIRIN: 831320-E-OVN05-271.jpg Photo Gallery