Billions from the US is flowing to Ukraine. Here's where it comes from, and how it adds up

Look at how much of that is equipment. Much of it old stuff. The new stuff is sustaining US jobs.
"PDA allows the Pentagon to transfer old military gear and ammunition, which might otherwise go unused, from depots and warehouses. The USAI modifies existing Defense Department contracts to send equipment to Ukraine.

The State Department has a detailed tally of the military gear shipped to Ukraine. Among the items:

300,000,000 rounds of small arms ammunition and grenades
One Patriot air defense battery and munitions
12 National Advanced Surface-to-Air Missile Systems (NASAMS) and munitions
198 155mm Howitzers and more than 2,000,000 155mm artillery rounds
31 Abrams tanks
186 Bradley Infantry Fighting Vehicles
500+ Mine Resistant Ambush Protected Vehicles (MRAPs)"