“These weapons are incredible,” Trump said. “We have to be very careful about letting somebody build them. … You have to be very judicious, but you have to be very careful. … it’s a hard thing to give away that kind of technology, and I don’t think this would ever happen, but, you know, those people that you get that technology, they can someday turn on you. You know, that is possible.”
We know the US basically depleted their stockpile in the war with Iran.
This is a promise the US made to Ukraine after that to allow them to manufacture the missiles domestically, which Trump is now seemingly reneging on.