ANALYSIS: The Scale of the Pentagon’s Budget (U.S.)

Ships and Aircraft at the Heart of the Budget Request

According to Reuters, the $1.5 trillion budget request includes approximately $750 billion earmarked specifically for ships, fighter jets, and the missile defense program known as Golden Dome. This single item alone accounts for half of the total requested budget, illustrating the priority placed on modernizing U.S. power-projection capabilities, rather than on personnel or routine maintenance.

This massive allocation to heavy equipment reflects a strategic vision in which technological superiority and long-range projection capabilities remain the Pentagon’s top priorities, ahead of other, less prominent but equally essential budget items for the day-to-day operations of the armed forces.

The Golden Dome Program: A Major Technological Gamble

The Golden Dome program, designed as a next-generation missile defense shield for the continental United States, represents one of the most ambitious technological ventures in this budget request, with development costs that—according to several analysts cited by the specialized press—remain difficult to assess precisely at this early stage of the program. A shield designed to protect an entire continent cannot be built quickly or on the cheap, and the history of major U.S. defense programs reminds us that initial budget estimates are rarely final.

This uncertainty regarding the program’s final cost constitutes a budgetary risk that even a budget of $1.5 trillion cannot guarantee will be absorbed without cost overruns in the coming years.

A marginal fraction of the total budget

Compared to this total of $1.5 trillion, the amounts being discussed for military aid to Ukraine—whether the $500 million from the USAI passed by the Senate or the $1 billion approved by the Appropriations Committee—represent a minuscule fraction, on the order of a few tenths of a percent, of the overall U.S. defense budget. What appears, in the American public debate, to be a major expenditure for Ukraine amounts, on the scale of the entire Pentagon, to little more than one accounting line item among thousands of others.

This disproportion calls for putting the budget debates on aid to Ukraine into perspective, as they occupy a disproportionate place in the American political debate relative to their actual weight in the overall federal defense budget.

A Political Choice Rather Than a Budgetary Constraint

While aid to Ukraine remains modest relative to the Pentagon’s total budget, whether to reduce or maintain it is therefore primarily a deliberate political choice rather than a genuine budgetary constraint imposed by the size of the overall budget available for U.S. defense.

This distinction between a real budgetary constraint and a conscious political choice is worth emphasizing, as it changes the nature of the debate: the question is not whether America can afford to fund Ukraine, but whether it chooses to do so.

$10 Billion Announced in Pennsylvania

At the defense summit held in Carlisle, Pennsylvania, in mid-July 2026, organizers announced approximately $10 billion in investments in U.S. defense production, according to City & State Pennsylvania. This event, which brought together industry leaders and military officials, illustrates how the defense budget translates into actual contracts and jobs in the U.S. defense industry.

The summit also served as a platform to discuss the replenishment of U.S. weapons stockpiles, which the New York Post reported are at historically low levels, partly due to needs related to the conflict with Iran earlier this year.

The Link Between Domestic Production and Overseas Deliveries

The U.S. defense industry’s ability to produce enough equipment to both replenish domestic stockpiles and continue supplying allies—including Ukraine—is one of the least visible yet most critical structural challenges posed by this colossal budget. A $1.5 trillion budget does not instantly produce missiles; between the money being appropriated and the equipment being delivered, there is always a delay of months—sometimes years—due to industrial lead times.

This constraint on production capacity—which is independent of the amount of funding available—effectively limits the speed at which budget announcements translate into actual deliveries, a factor that affects both U.S. domestic needs and commitments to allies.

A legislative process still underway

It is important to note that the figure of $1.5 trillion is, at this stage, a request from the executive branch and not a budget that has been definitively adopted by the U.S. Congress. Recent U.S. budgetary history shows that the final amounts approved often differ—sometimes significantly—from the White House’s initial requests.

This methodological caveat requires that we treat this figure as a starting point for budget negotiations rather than as a fait accompli—a distinction that is essential for any rigorous analysis of this issue. A figure announced by the White House is merely the first card laid on the table; the actual budget battle then plays out, section by section, in congressional committees.

Upcoming Negotiations Between the Two Chambers

As with the more specific issue of aid to Ukraine, the House of Representatives and the Senate will have to negotiate a joint version of the defense budget before its final adoption—a process that can take several months and traditionally includes downward adjustments to certain line items deemed less of a priority by one chamber or the other.

These internal congressional negotiations—far more technical and less publicized than the debates on aid to Ukraine—nevertheless determine the bulk of the final shape of the U.S. defense budget for the coming fiscal year.

Voices Questioning Fiscal Sustainability

Several budget analysts, cited by the U.S. business press, are questioning the long-term fiscal sustainability of such a rapidly rising trajectory of military spending, against the backdrop of an already high federal deficit and steadily rising public debt. A country can always vote for more military spending; the real question—one rarely asked amid the enthusiasm of a defense summit—is who will foot the bill ten years from now.

These criticisms, which cut across traditional partisan lines, serve as a reminder that there is no unanimous consensus on the scale of this budget, even among those who otherwise support a robust defense posture in the face of the threats identified by the administration.

The Debate Over Competing Priorities

Other voices, particularly within Congress, point out that this massive increase in the defense budget is accompanied by a parallel reduction in overall foreign aid, as documented by the Pew Research Center, which raises the question of the relative priorities between direct military power and more traditional diplomatic instruments of American influence.

This debate over competing budget priorities extends far beyond the issue of defense alone, touching on a more fundamental question about the nature of American power that this budget seeks to project around the world.

A gap that remains considerable despite European efforts

Although NATO’s European allies pledged, at the Ankara summit, to provide approximately 70 billion euros in military aid to Ukraine by 2026, this amount remains—when compared to the U.S. defense budget alone—a modest fraction of the overall military effort deployed by the entire Western alliance. Even as Europe mobilizes more than ever before, the U.S. scale remains on a different order of magnitude, and this structural gap cannot be closed in a single fiscal year.

This asymmetry in resources explains why, despite the growing European mobilization documented by the Kiel Institute and other research organizations, the specific military capabilities provided by Washington—notably the Patriot systems—remain difficult to replace through European efforts alone in the short term.

NATO’s 5% of GDP Target

According to the Brussels Times, NATO has set an ambitious target of raising member countries’ defense spending to 5% of gross domestic product—a goal that, if achieved by all European allies, would gradually narrow the current budget gap with the United States, though it would not eliminate it entirely in the short or medium term.

This collective ambition of the Atlantic Alliance is part of an effort to achieve a more balanced sharing of the Western defense budget burden—a relatively recent development whose concrete effects will only become apparent over the course of several years.

A Focus on Technological Deterrence

The budget allocation, with its clear emphasis on ships, aircraft, and the Golden Dome missile defense system, reveals a strategic doctrine that prioritizes technological deterrence and long-range projection capabilities over increasing traditional ground forces or providing direct aid to ongoing conflicts abroad.

This doctrinal orientation, consistent with the priorities the administration has articulated since taking office, places competition with China in the Pacific at least on the same level of strategic priority as continued support for Ukraine in the face of Russia.

The Indo-Pacific Theater as a Backdrop

Several defense analysts point out that the naval and air force modernization funded by this budget is aimed as much, if not more, at preparing for a potential confrontation in the Indo-Pacific theater as it is at meeting the immediate needs of the conflict in Ukraine—a crucial contextual element for understanding the true strategic priorities underlying this $1.5 trillion figure. A budget that focuses on ships and fighter jets rarely has a single front in mind; it almost always has the next one in mind.

This Indo-Pacific dimension of the U.S. defense budget is worth keeping in mind when assessing Washington’s relative generosity toward Ukraine, whose support is part of a strategic calculation that extends beyond the European theater alone.

The Recent History of Major Defense Programs

The Pentagon’s recent budget history shows that major defense programs—including the most technically ambitious ones—frequently exceed their initial cost estimates, sometimes substantially, once they enter the actual industrial development phase. Every major defense program begins with an optimistic figure and almost always ends up costing more than anticipated.

This historical trend, documented by numerous past Pentagon budget audits, calls for caution regarding the reliability of the $1.5 trillion figure as the definitive cap on actual expenditures over the full duration of the programs in question.

The Issue of Long-Term Funding

Beyond the current fiscal year alone, the question of whether this high spending trajectory will continue over several consecutive years remains open, depending both on future election results and on how the international geopolitical landscape evolves in the coming years.

This uncertainty regarding long-term budgetary sustainability applies as much to the overall defense budget as it does to the specific components dedicated to supporting Ukraine, in a U.S. political system where each election cycle can reshape budgetary priorities.

Production capacity remains a key factor

For Washington’s allies, including Ukraine, this massive budget translates into concrete support only to the extent that the U.S. defense industry actually manages to convert these approved funds into equipment delivered in a timely manner—a capability that, according to several industry reports, remains under strain due to the low inventory levels reported at the Carlisle Summit.

This industrial reality—more than the budget amount alone—will in practice determine the actual extent of U.S. military support available to Washington’s foreign partners in the coming months. An approved budget is never a guarantee of delivery; between the two lies a production chain that operates on its own timeline, independent of the political calendar.

Strategic Trust to Be Gradually Rebuilt

For European allies, the sheer size of this budget serves as a reminder of the scale of resources still at Washington’s disposal, provided the political will to mobilize them for Ukraine or other theaters of operation remains over the long term—a reality that contrasts with the concerns expressed regarding the decline in overall foreign aid, as measured by Pew.

This tension between immense budgetary capacity and fluctuating political will is, ultimately, one of the most useful insights that this analysis of the Pentagon’s budget offers for understanding the future of the Ukraine issue.

A monetary privilege that funds the size of the budget

The United States’ ability to finance such a massive defense budget relies in part on the dollar’s status as the global reserve currency, which allows Washington to borrow on more favorable terms than most other economies—including to finance rapidly rising military spending. This monetary privilege, rarely mentioned in debates on the defense budget, largely explains why such a figure remains financeable without triggering an immediate fiscal crisis.

However, this favorable borrowing capacity does not make the current fiscal trajectory sustainable indefinitely; several economists point out that the accumulation of defense-related deficits could, over time, undermine market confidence in U.S. debt.

A Comparison with China’s Budgetary Burden

China’s official defense budget, although it has been growing steadily for several years, remains—according to available estimates—well below the U.S. budget of $1.5 trillion alone, even though some analysts question the full transparency of China’s official figures on this subject.

This comparison with Beijing is directly tied to the logic of long-term strategic competition that underpins a significant portion of the U.S. budget increase, beyond the context of the conflict in Ukraine alone.

A Signal Sent to Both Allies and Adversaries

This massive budget also serves as a political signal sent simultaneously to Washington’s allies—who are encouraged to view the United States as a consistently dominant military partner—and to potential adversaries, who are deterred by the sheer scale of resources that could be mobilized in the event of a direct confrontation. A budget of this size is not just about dollars; above all, it is about strategic credibility in the eyes of the rest of the world.

This signaling function—distinct from the actual operational use of the funds—partly explains why the announcement of the figure itself, even before its final adoption by Congress, is already producing measurable diplomatic effects.

The measured reactions of European partners

While publicly welcoming the U.S. budgetary commitment to collective defense, European allies are also, according to several diplomatic sources, expressing concerns that this priority placed on long-term technological modernization may come at the expense of more immediate support for Ukraine’s urgent needs on the ground.

This tension between long-term priorities and immediate needs runs through all Western defense budget discussions, though no clear consensus solution has yet emerged from successive NATO summits.

Possible Amendments Before Final Adoption

As with any U.S. federal budget, this figure of $1.5 trillion remains subject to a committee amendment process that could, prior to final adoption, modify specific line items, slightly reduce or increase the total, or impose additional conditions on the use of certain funding allocations. A budget proposed in April is never the budget that is passed at the end of the year; in between, dozens of lawmakers leave their mark on every line item.

This amendment process—often technical and rarely covered by the general press—nevertheless determines most of the practical details of the final implementation of this defense budget for the coming fiscal year.

Focus on Upcoming Conciliation Votes

U.S. budget observers will be closely monitoring the reconciliation votes between the House of Representatives and the Senate in the coming months, which will determine the final and definitive version of this colossal budget—with direct consequences for all the issues examined in this analysis, including military support for Ukraine.

These reconciliation votes, while less spectacular than the initial announcement of the total figure, will represent the true moment of truth for all the priorities outlined in this analysis.

The $1.5 trillion budget requested by the Trump administration for the Pentagon, when broken down line by line, reveals a clear priority on technological modernization and long-range power projection, with aid to Ukraine accounting for only a marginal fraction of this colossal budget. This disparity between the size of the total budget and the relative modesty of the amounts allocated to support Kyiv sheds new light on the often-contentious budget debates surrounding the USAI and other U.S. military funding instruments for Ukraine.

No source consulted for this analysis allows us to assert that this budget will be adopted by Congress without modification, nor that the current spending trajectory will continue over several consecutive fiscal years. One and a half trillion dollars may seem like an infinite amount from a distance; up close, however, it turns out to be, like any budget, a series of choices—and Ukraine occupies, within that series, just one line item among thousands of others.

By Maxime Marquette, columnist