Navy Adm. James Winnefeld, North American Aerospace Defense Command and U.S. Northern Command commander, gives his remarks during the commands' change of command ceremony at Peterson Air Force Base, Colo., May 19. Winnefeld spoke of the exceptional partnership between the U.S. and Canada and the connection between the work of NORAD and U.S. NORTHCOM and that of U.S. and allied forces fighting overseas.