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U.S. Army Sgt. 1st Class Daryl Szarenski, left, a member of the Army World Class Athlete Program, competes in the 2012 Summer Olympics 10-meter air pistol event at the Royal Artillery Barracks in London July 28 120728-A-ZZ999-002.jpg - Fæ

U.S. Army Sgt. 1st Class Daryl Szarenski, center, a member of the Army World Class Athlete Program, competes in the 2012 Summer Olympics 10-meter air pistol event at the Royal Artillery Barracks in London 120728-A-ZZ999-001.jpg - Fæ

Daryl Szarenski and Tan Zongliang 2012.jpg - Materialscientist

Tan Zongliang 2012.jpg - Materialscientist

Leonid Yekimov, Daryl Szarenski, Tan Zongliang 2012b.jpg - Materialscientist