TRAINING RUN U.S. Army Sgts. Matt Mortensen, top, and Preston Griffall, both U.S. Army World Class Athlete Program soldiers, race at 80 mph on a run of 51.660 seconds during Olympic luge doubles training at Sanki Sliding Centre in Krasnaya Polyana, Russia, Feb. 10, 2014. Mortensen is a New York National Guardsman and Griffal is a Utah National Guardsman. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 441920-Y-MLM73-337.jpg Photo Gallery