By: skyeye. Read more... Site 11 of the 556th Strategic Missile Squadron, Plattsburgh. One of 12 Atlas F ICBM sites in NY and VT which ringed Plattsburgh Air Force Base during the Cold War. The silos were 174 feet deep and 54 feet in diameter.
See also:
http://www.atlasmissilesilo.com/556th SMS.htm http://atlasbases.homestead.com/ http://www.556sms.com/