The real-life "Big Board." SAC Underground Command Post II, circa 1961. via http://www.gwu.edu/~nsarchiv/nukevault/gallery/image04.htm … / @NSArchivepic.twitter.com/bBT0lrnL
6:42 AM - 8 Jan 2013
0 replies
5 retweets
3 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.