No, not billions, hundreds of billions: “ the Navy and the Marine Corps — requested a total budget of $207.1 billion for fiscal year 2021, which represents a decrease of $2.9 billion from fiscal year 2020.”
And that’s just the official figure. The true cost of our entire military industrial complex exceeds a trillion per year.
But they can’t afford a spare fireboat. 
P.S. that amount of money is not something the human mind can easily understand so here’s the visual:
P.S.2. And remember that’s Bezo’s total worth, not his YEARLY budget.