U.S. Army World Class Athlete Program lugers Sgt. Matt Mortensen and Sgt. Preston Griffall anchor Team USA's silver-medal performance in the team relay at the 2013 World Cup Luge stop Dec. 14 at Utah Olympic Park in Park City, Utah. Kate Hansen and Chris Mazdzer provided the women's and men's legs of the event, which will make its Olympic debut Feb. 13 at the 2014 Winter Games in Sochi, Russia. U.S. Army photo by Tim Hipps, IMCOM Public Affairs