Capt. Nicholas Schroback, from the Marine Corps Institute, kayaks down stream during the Whitewater Wipeout at Deep Creek Lake, Md., Sept. 29, 2011. Schroback is the overall points leader in the race for Marine Barracks Washington's 2011 Commander's Cup. - Capt. Nicholas Schroback, from the Marine Corps Institute, kayaks down stream during the Whitewater Wipeout at Deep Creek Lake, Md., Sept. 29, 2011. Schroback is the overall points leader in the race for Marine Barracks Washington's 2011 Commander's Cup.