<p>c/n 69700102176, l/n 2-02.
Built 1978/1979
NATO codename:- Foxhound
This is a very early production MiG-31 and may have seen some use as a demonstrator, judging by the code and blue/white flashes. 
On display at the Central Air Force museum, Monino, Moscow Oblast, Russia.
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27th August 2017
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/65001151@N03">Alan Wilson</a> from Stilton, Peterborough, Cambs, UK
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/ajw1970/25545864738/">Mikoyan MiG-31 ‘202 blue’</a>