I don't believe so? Your link doesn't say that those nuclear aircraft actually flew. (?)
I understand that the (claimed, alleged) 2023 nuclear cruise missile test [0] was the first, and only, nuclear-powered aircraft that has flown. All of the Cold War stuff was static-fire tested, at most.
I understand that the (claimed, alleged) 2023 nuclear cruise missile test [0] was the first, and only, nuclear-powered aircraft that has flown. All of the Cold War stuff was static-fire tested, at most.
[0] https://www.reuters.com/world/what-is-burevestnik-missile-th... ("What is the Burevestnik missile that Putin says Russia has tested?")