That just looks like a tanker.
I think people are speculating too wildly. If there was any strength as to these claims, we should first have evidence, or lacking that, we should have meaningful detail from credible individuals.
Conducting an exercise like a simulated strike mission is something that is reasonable. Conducting it in a manner that may have had impressive demands for the crew and airbase, sure that is also possible.
But some of the other remarks I've seen being thrown around like overflying the Reagan or surprising them or whatever is additional detail that needs substantiation, and I do not like how this is being signal boosted on other platforms without us first assessing its veracity carefully.