Green Pine (communications)

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The Green Pine UHF communications system was designed to relay Strategic Air Command (SAC) Emergency Action Messages (EAMs) to SAC aircraft. Green Pine was designed in 1967.[1] Each Green Pine station was equipped with a variety of communications systems, to ensure that nuclear command and control messages would reach nuclear strategic bombers in Northern latitudes.[1]


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  1. ^ a b Graff, Garrett M. (2017). Raven Rock: The Story of the U.S. Government's Secret Plan to Save Itself - While the Rest of Us Die. Simon & Schuster. 
  2. ^ Strategic Air Command Regulation 100-24 Vol III: SAC Communications System Operations/EWO Support Requirements, 6 Jul 1979[unreliable source?]

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