Originally Posted by
CONSO
Interesting- but the text does not make it clear when ( what date ) the ' stealth" test was done- **** PROBABLY *** in the the late 70's ??
The northrup flying wing built in the late 40's (YB-49) was somewhat of a surprise re radar tracking as I perhaps wrongly recall
As the linked article states the replica was built by NG Corporation (founded 1995) and National Geographic channel (founded 2001) it seems unlikely to have had any noticeable impact upon the state of the art