<p>Two dramatically positioned gate guards.
N900NA is a false serial, this is actually a USAF AT-38B c/n T.6138, military serial 68-8133.
N968NA is a genuine NASA T-38N, c/n N.5821, original US military serial 65-10402.
Both are on display at the entrance to ‘Space Centre Houston’ at the Lyndon B Johnson Space Centre, Houston, Texas, United States.
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20th March 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/ajw1970/40717338471/">Northrop T-38 Talons ‘N900NA / 00’ and ‘N968NA / 68’</a>