The US has been the largest country-to-country contributor of aid to Ukraine since the start of Russia’s full-scale invasion in 2022. However, the exact amount of aid provided has become the subject of debate, as generally available data tend to bundle together grants, loans, equipment, investments, and other forms of assistance as if it were all on-budget cash funding. This column tracks each weapon system provided to Ukraine, its vintage, and depreciation to come up with the first