European allies now provide double the US security aid to Ukraine

The arithmetic of Western military support for Ukraine has inverted. As of March, NATO allies and partners had committed roughly $130 billion in security assistance since Russia's full-scale invasion, according to Defence Department figures cited in a Congressional Research Service report. The United States, by contrast, had committed $67.8 billion through its three principal channels, Presidential Drawdown Authority, Foreign Military Financing and the Ukraine Security Assistance Initiative. Europe, in aggregate, is now the larger arsenal.

How the burden shifted

The transition did not happen overnight. Between August 2021 and January 2025 the Biden administration announced 74 presidential drawdowns, pulling munitions, vehicles and air-defence systems directly from Pentagon stocks. That mechanism allowed speed but depleted inventories. As of 31 March, about $4.96 billion in previously authorised drawdown authority remained unspent, a reserve that the Trump administration has continued to execute while signalling reluctance to request new emergency supplementals. Congress has not passed a Ukraine-specific emergency package since April 2024.

European capitals, meanwhile, accelerated. The Congressional Research Service notes that European security assistance allocations "increased substantially in 2025 while US appropriated assistance declined sharply." Germany, the Nordic states, Poland and the Baltic countries have all expanded bilateral programmes, and the European Union's own European Peace Facility has reimbursed member states for deliveries. The net effect is a donor landscape in which Washington provides enablers, intelligence, targeting, strategic lift, while Europe supplies the bulk of consumables: artillery shells, air-defence interceptors, armoured hulls.

The delivery gap nobody talks about

Headline commitment figures obscure a quieter problem. Of the money appropriated for the Ukraine Security Assistance Initiative, the programme that contracts new production rather than drawing from existing stocks, only $19.21 billion, or 57 percent, had resulted in equipment actually delivered to Ukraine by the end of March. The remainder sits in various stages of procurement, manufacturing or transit. Because public tallies generally measure commitments or appropriations, not deliveries, the real military capacity reaching the front line is smaller than the numbers suggest. That gap matters when planners in Kyiv and Brussels try to match brigade rotations to ammunition calendars.

Congress authorises, the administration resists

The fiscal 2026 National Defense Authorization Act, signed into law after negotiation between House and Senate, authorised $400 million annually for USAI in fiscal years 2026 and 2027 and extended the programme's sunset to 31 December 2029. On paper that looks like continuity. In practice the Trump administration opposed the additional USAI funding during the bill's consideration, preferring a model in which allies finance purchases of American weapons rather than the US Treasury paying for them. The legislative compromise therefore masks an executive-branch preference for a fundamentally different financial architecture.

That preference surfaced publicly on 8 July when President Donald Trump said the United States was considering options that could allow Ukraine to coproduce Patriot missiles. Coproduction would shift recurring costs to Ukrainian and European budgets while preserving US industrial workshare, a template the administration has hinted it wants to replicate across other high-end systems. Whether Ukrainian defence industry, still rebuilding after years of bombardment, can absorb such technology transfer at scale remains an open question.

NATO's new burden-sharing tool

The most concrete expression of the allied-financing model is the Prioritized Ukraine Requirements List, launched in 2025. The mechanism lets NATO allies earmark contributions for specific capability packages, artillery, air defence, maintenance, that are then procured from US industry. By early 2026 allied commitments through the list had reached billions of dollars. It functions as a multilateral purchase order: Europe pays, American factories build, Ukraine receives. For Washington it sustains the defence industrial base without new appropriations; for European governments it offers visibility and political credit; for Kyiv it reduces dependence on a single bilateral pipeline.

The list is administered through NATO's existing coordination structures, which have been expanded since 2022 to handle the volume of allied offers. NATO's Security Assistance and Training for Ukraine framework now serves as the clearing house for matching requirements to pledges. The shift toward a NATO-managed pipeline also insulates the flow from the vagaries of any single national legislature, a lesson learned during the months-long US congressional deadlock in late 2023 and early 2024.

Money, reconstruction and the investment fund

Running in parallel is the United States, Ukraine Reconstruction Investment Fund, which has begun deploying capital into Ukrainian projects. The fund is distinct from congressionally appropriated security assistance; it operates on commercial terms and is intended to mobilise private capital for energy, infrastructure and critical minerals. Its existence reflects a broader administration view that long-term Ukrainian resilience depends on economic viability, not just artillery stocks. Critics in Kyiv and some European capitals worry that the fund's governance gives Washington disproportionate leverage over Ukrainian strategic assets, but the first tranches have been welcomed by a government desperate for hard currency.

Oversight and the diversion question

Congressional oversight committees continue to press the Pentagon on end-use monitoring. The Defence Department has reported no credible evidence of illicit diversion or misuse of US-provided defence articles, a finding repeated in successive quarterly reports. That assessment relies on a combination of Ukrainian reporting, third-party verification and limited US on-the-ground presence. The Pentagon did briefly pause some weapons shipments in 2025, officials cited procedural reviews, before resuming them. The episode underscored how even administrative friction can interrupt flows that front-line units treat as oxygen.