They're not cutting the budget, just rearranging spending priorities (i.e., more to the border -- as if that is where our biggest military threat will come from).
In fact, the upcoming Budget calls for an _increase_ in the defense budget.
One thing to keep in mind that Federal Spending represented 23.4% of GDP in 2024. Around 12% of that is defense spending. I have yet to see any way these cuts do not result is massive decreases in GDP. Even if all of it is redirected to defense.
In fact, the upcoming Budget calls for an _increase_ in the defense budget.