US to release defense budget details for Fiscal 2027 on April 21

Tony Capaccio, Bloomberg News on Mar 30, 2026

By clicking submit, I authorize Arcamax and its affiliates to: (1) use, sell, and share my information for marketing purposes, including cross-context behavioral advertising, as described in our Privacy Policy , (2) add to information that I provide with other information like interests inferred from web page views, or data lawfully obtained from data brokers, such as past purchase or location data, or publicly available data, (3) contact me or enable others to contact me by email or other means with offers for different types of goods and services, and (4) retain my information while I am engaging with marketing messages that I receive and for a reasonable amount of time thereafter. I understand I can opt out at any time through an email that I receive, or by clicking here

WASHINGTON — Key details about U.S. military spending for the 2027 fiscal year — including the planned budgets for each of the military services — will be released on April 21, according to a U.S. defense official, who requested anonymity to disclose the information.

That’s three weeks after the broad overview of the Trump administration’s unprecedented $1.5 trillion proposed defense budget is set to be unveiled on April 3.

Several weeks after that, the Pentagon comptroller and budget directors for the Army, Navy, Air Force, Marines and the Missile Defense Agency will outline their specific budget requests, including the release of five-year proposed spending plans — down to the level of specific programs, which are called “Budget Justification Books,” or J-Books for short.

On a normal budget day, the White House’s Office of Management and Budget would coordinate the release of U.S. spending documents, with only a brief overview of national security spending. Late on the same day, the Pentagon would then host briefings by the services and release documentation including the “J-Books” at the same time — or at least within the week.

Most of the attention will likely be paid to the national security “topline” that Trump has floated at $1.5 trillion — the largest ever. It’s not clear whether that figure refers to Pentagon-only spending or overall national security spending, of which the Pentagon constitutes 95%.

A Pentagon supplemental request for this year — reportedly as high as $200 billion — is still being reviewed by OMB, but is not likely to be submitted to Congress this week, according to another U.S. defense official.

The administration for this fiscal year requested just over $1 trillion, a 13& increase from what Congress approved for fiscal 2025. It included the Pentagon’s discretionary spending request and funds in the so-called One Big Beautiful Bill reconciliation bill, which is separate from the defense proposal.

The complications this year from a government shutdown, delays to the final 2026 defense budget and additional supplemental requests explain “a few additional weeks to finalize alignment of all justification documents,” said Elaine McCusker, former acting Defense Comptroller in the first Trump administration.