The North American Aerospace Defense Command is a bi-national mutual defense organization in Canada and the United States. Established 12 September 1957 as the North American Air Defense Command, NORA
The 25-ton North blast door in the Cheyenne Mountain nuclear bunker is the main entrance to another blast door in the background, beyond which the side tunnel branches into access tunnels to the main chambers.
The Eastern Air Defense Sector is a United States Air Force unit of Air Combat Command, permanently assigned to the North American Aerospace Defense Command. A joint, bi-national military organization
539th Fighter-Interceptor Squadron Convair F-106A-64-CO Delta Darts McGuire AFB, New Jersey October 1959
332d Fighter-Interceptor Squadron North American F-86D-45-NA Sabre 52–3901, 4709th Air Defense Wing, McGuire AFB, New Jersey, 1956
Wisconsin ANG 115th Fighter Wing, Wisconsin Air National Guard over Wisconsin's capital city of Madison