U.S. Marines M1A1 Tank crews work with the Norwegian Telemark Battalion on techniques of driving Tracked Vehicles in winter conditions on an snow/ice track.  A Norwegian Leopard 2 Main Battle Tank leads U.S. Marine M1 Abrams, from the Combined Arms Company, to various cold-weather training sites for tracked vehicles in Rena, Norway.  The training exercise is designed to improve U.S. Marine