Screengrab from Top Gun: Mavericks secret X-plane (SR72?).
just seen in Lady Gaga's videoclip for the movie theme.
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Yes, "Top Gun: Maverick" contains some excellent CGI of this ficticious SR72 plus additional CGI footage of Sukhoi 57 and F-14 Tomcat. Sukhoi 57 are too new and too few to fight in Ukraine, while I doubt if the Iranian Air Force is willing to rent out any of their few remaining airworthy F-14 Tomcats.
All the rest of the flying footage is easier to believe than TG1, with many shots of actors pulling Gs in real F-18D cockpits.
Hard to believe, but TGM is even better than the original. When TG1 debuted, I was wrenching on CF-18A Hornets at CFB Baden-Solingen, West Germany.