The Continental U.S. NORAD Region (CONR) is a component of the North American Aerospace Defense Command (NORAD) that provides airspace surveillance and control and directs air sovereignty activities for the continental United States (CONUS). CONR is one of three NORAD regions. The two other Regions are the Canadian NORAD Region (CANR) and the (ANR). Since September 11, 2001, CONR has been the lead agency for Operation Noble Eagle, an ongoing mission to protect the continental United States from further terrorist aggression from inside and outside U.S. borders.