US Budget 2027 Wants $1.5 Trillion for Defence — Here Is What Trump Is Actually Asking For

Trump's 2027 budget request includes $1.5 trillion in defence spending — the largest military budget request in US history. Here is what it funds and what gets cut to pay for it.

President Trump's 2027 federal budget request — submitted to Congress on April 3, 2026 — includes a defence spending total of $1.5 trillion, described by NPR as 'the largest such request in decades' and by the White House as reflecting the specific military requirements of the current Iran war campaign plus the broader programme of American military modernisation whose priority the administration has consistently emphasised.

The $1.5 trillion number requires context: the current-year (FY2026) defence budget is approximately $895 billion. The proposed 2027 request represents an approximately 67 percent increase in a single year — a proposed surge whose specific justification includes the active combat operations in Iran, the specific weapons replenishment required after six weeks of intensive strike operations, and the long-term modernisation programmes (hypersonic weapons, the B-21 bomber fleet expansion, space-based defence systems, submarine-launched cruise missile production) that had been funded at lower levels.

For the cuts that fund the increase: the budget simultaneously proposes $73 billion in cuts across non-defence discretionary spending. The specific agencies facing the largest proposed reductions include the State Department, EPA, HHS, and education programmes — a reallocation whose political logic is clear (guns versus butter, explicitly) and whose specific implementation faces the specific constraints of congressional budget authority.

For the Iran war's direct cost: military operations since February 28 have consumed approximately $35-40 billion in precision-guided munition inventory alone, according to Congressional Research Service preliminary estimates. The 2027 budget request for munition replenishment reflects this consumption and the projection of continued operations.

For the strategic programme dimension: the specific inclusion of additional funding for F-47 sixth-generation fighter development, expanded Pacific deterrence forces targeting Chinese military competition, and the specific nuclear modernisation programme whose timeline has been accelerated under the current administration reflects a defence investment philosophy that treats the Iran war as one of several simultaneous military challenges rather than as the definition of the complete defence agenda.