By the middle of this century, a large chunk of the United States’ nuclear arsenal could be located on a doomsday subway system, where unmanned cars move back and forth on a single track, prepared to launch at a moment’s notice.
Or a least that’s one of several ideas that the Air Force is potentially mulling over as it prepares to replace its decades’ old intercontinental ballistic missiles (ICBMs). To jumpstart those preparations, the Air Force earlier this month released an open call for proposals that would help the Air Force decide what the future land-based nuclear force would look like for the 50-year period starting in 2025.
See full Article: http://www.bbc.com/future/story/20130201-roll-forward-the-doomsday-train
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