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The Primary Alerting System (PAS), was a network of land-line connections used by the 
PAS reached each Command Post by two geographically diversified circuits; one circuit, commonly called the "front-door" circuit tied the unit directly to Headquarters ( SAC); the other, or "back-door" circuit provided a link to the parent
The Primary Alerting System (PAS), was a network of land-line connections used by the Strategic Air Command
Strategic Air Command (SAC) was both a United States Department of Defense Specified Command and a United States Air Force (USAF) Major Command responsible for command and control of the strategic bomber and intercontinental ballistic missile ...
( SAC) for command and control
Command and control (abbr. C2) is a "set of organizational and technical attributes and processes ... hatemploys human, physical, and information resources to solve problems and accomplish missions" to achieve the goals of an organization or en ...
of its nuclear forces. PAS provided immediate and simultaneous voice communications to all ( SAC) unit command posts and missile launch control facilities.
PAS reached each Command Post by two geographically diversified circuits; one circuit, commonly called the "front-door" circuit tied the unit directly to Headquarters ( SAC); the other, or "back-door" circuit provided a link to the parent Numbered Air Force
A Numbered Air Force (NAF) is a type of organization in the United States Air Force that is subordinate to a List of Major Commands of the United States Air Force, major command (MAJCOM) and has assigned to it operational units such as wings, squ ...
.
See also
*Post Attack Command and Control System
The Post Attack Command and Control System (PACCS) was a network of communication sites (both ground and airborne) for use before, during and after a nuclear attack on the United States. PACCS was designed to ensure that National Command Authorit ...
( PACCS)
* Airborne Launch Control System ( ALCS)
*Ground Wave Emergency Network
The Ground Wave Emergency Network (GWEN) was a command and control communications system intended for use by the United States government to facilitate military communications before, during and after a nuclear war. Specifically, the GWEN networ ...
(GWEN Gwen may refer to:
* Gwen (given name), including a list of people with the name
* ''Gwen, or the Book of Sand'', a 1985 animated film
* Gwen (film), a 2018 horror film
* Tropical Storm Gwen, several storms with the name
Acronyms
* AN/URC-117 Grou ...
)
*Minimum Essential Emergency Communications Network The Minimum Essential Emergency Communications Network (MEECN) is a network of systems providing uninterrupted communications throughout the pre-, trans-, and post-nuclear warfare environment. At minimum, MEECN is designed to provide a one-way flow ...
( MEECN)
*Survivable Low Frequency Communications System The AN/FRC-117 Survivable Low Frequency Communications System (SLFCS) was a communications system designed to be able to operate, albeit at low data transfer rates, during and after a nuclear attack.
The system used both very low frequency (VLF), an ...
( SLFCS)
References
Telecommunications equipment of the Cold War United States nuclear command and control Equipment of Strategic Air Command {{ColdWar-stub