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The Distant Early Warning (DEW) Line, constructed in the late 1950s, was reaching obsolescence in the 1980s.With the signing of North American Air Defence Modernization agreement at the "Shamrock Summit" between Prime Minister Mulroney and President Reagan in Quebec City on 18 March 1985, the DEW Line began its eventual upgrading and transition becoming the North Warning System (NWS) of today.
Aerospace Data Facility-East (ADF-E), also known as Area 58 and formerly known as Defense Communications Electronics Evaluation and Testing Activity (DCEETA), is one of three satellite ground stations operated by the National Reconnaissance Office (NRO) in the continental United States.
McConnell AFB entrance displaying THREATCON DELTA on the day of the 9/11 attacks. In United States military security parlance, the force protection condition (FPCON for short) is a counter-terrorist (otherwise known as antiterrorism (AT for short)) [1]:1 threat system employed by the United States Department of Defense.
The Defense Threat Reduction Agency (DTRA) is both a defense agency and a combat support agency within the United States Department of Defense (DoD) for countering weapons of mass destruction (WMD; chemical, biological, radiological, nuclear, and high explosives) and supporting the nuclear enterprise. Its stated mission is to provide "cross ...
The former J-31 San Pedro JSS ARSR-1 radar site, California USAF Battle Control System operators monitor the skies from the floor of the program's Eastern Air Defense Sector location. The Joint Surveillance System (JSS) is a joint United States Air Force and Federal Aviation Administration system
The 1st Aero on February 6, 1967, moved operations to the Group III Space Defense Center, the integrated missile warning/space surveillance facility (496L Spacetrack system with Philco 212 primary processor) [8] at the Cheyenne Mountain nuclear bunker (FOC of the new bunker's command center—a portion of the Burroughs 425L Command/Control and Missile Warning System—had been on July 1, 1966 ...
The defense readiness condition (DEFCON) is an alert state used by the United States Armed Forces. [1] [2] For security reasons, the US military does not announce a DEFCON level to the public. [1] The DEFCON system was developed by the Joint Chiefs of Staff (JCS) and unified and specified combatant commands. [3]
ADIZ boundaries for the United States and Canada as of 2018. ADIZ boundaries for Alaska. The Air Defense Identification Zone of North America is an air defense identification zone (ADIZ) that covers the airspace surrounding the United States and Canada – in which the ready identification, location, and control of civil aircraft over land or water is required in the interest of national ...