U.S. Army Marksmanship Unit shotgun shooter Sgt. Jeff Holguin (left) congratulates AMU teammate Sgt. Glen Eller for his double trap victory at the 2012 U.S. Olympic Shotgun Team Trials at the Tucson Trap & Skeet Club in Tucson, Ariz. With the victory, Eller earned his fourth Olympic berth and will join AMU teammate Sgt. Joshua Richmond, who had pre-qualified, at the London Olympic Games. Holguin finished second in the Tucson event.