They probably need all of the above but the US taxpayer is seriously tapped out.
More inflation if you like that kind of thing will pay for it.
Someone mentioned cuts to the IRS as a possible offset. It won’t happen.
Everything is a great big mess.
I heard a “Carolyn” reporter say Israel is willing to buy weapons. She said they have the money but not the bunker busters that only US has. I’m ok with that as long as we have enough for our military. I do not know who is credible.