I was at the Nuclear Museum in late 2012 and there was no B-47 there. I enjoyed viewing the B-29 "Duke of Albuquerque" and a B-52, plus an A-7 and F-105. I can't speak about the future location of the Stratojet, though.
Here's what I saw at the museum in Albuquerque ...
http://www.planesofthepast.com/national-museum-nuclear-science-history.htm
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Ken Freeman
http://www.PlanesOfThePast.com ... A Tribute to the Great Aircraft of the Past
http://www.AirplaneBoneyards.com ... Military & Commercial Aircraft Boneyards, Past and Present
http://www.EnglandAirForceBase.com ... Memories of England AFB