Army World Class Athlete Program Staff Sgt. Keith Sieracki bears down on Gator Wrestling Club's T.C. Dantzler during the 163-pound Greco-Roman finale at the 2007 U.S. National Wrestling Championships April 7 at Las Vegas Convention Center. Dantzler won the match, 2-1, 1-1. Staff Sgt. Sieracki, who took the silver medal, is one of 17 Soldiers who qualified for the U.S. World Team Trials, scheduled for June 9-10 in Las Vegas.