Keeping in mind the POTUS is a big idea man who can't be bothered by little detail or anything factual
What is driving this sudden wish for a F55?
https://breakingdefense.com/2025/05/f55-f22-f47-trump-wants-a-twin-engined-f35-experts-say-its-not-feasible/
https://en.defence-ua.com/weapon_and_tech/twin_engine_f_35_called_f_55_trumps_fantasy_or_a_real_modernization_plan-14531.html

Did someone infect the POTUS with the idea that more engine is better?
So real men need a VTOL fighter that has 2, 3 or even 4 engines to do better than the Chinese?

Guess he likes talking big as usual and will change his mind next day.