Message posted by Vahe Demirjian (Member since 04/28/2022) on January 29, 2023 at 20:46:16 PST:
Javorsek's resume doesn't mention the term "classified prototype" despite mentioning "unique experimental aircraft". It's possible that X-273 is the NGAD tech demonstrator, and YF-220 could be a tech demonstrator for the SR-72 given that YF-117D and YF-118G were used for the Tacit Blue and Bird of Prey tech demonstrators respectively.
In Reply to: Re: YF-220 mistake in biography (deja vu YF-24) posted by Peter Merlin on November 19, 2022 at 7:44:01 PST:
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