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. 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.
- 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.
- Strategic Air Command Regulation 100-24 Vol III: SAC Communications System Operations/EWO Support Requirements, 6 Jul 1979[unreliable source?]