An expression of relief flashes across the face of Sgt. 1st Class Jason Parker, U.S. Army Marksmanship Unit, after realizing he won the Men's Three-Position match June 11, 2012, at the U.S. Olympic Trials for smallbore shooting at Pool Range on Fort Benning, Ga. Parker secured a fourth trip to the Olympics in dominating fashion, beating his closet competitor by 15 points.