It wasn’t clear why the Defense secretary issued the order not to send troops on a routine mission to a country the administration refers to as a “model ally.”

News of budget trouble comes as the defense secretary has touted his “fiscally responsible” request of $1.5 trillion for next year.

Republicans and Democrats have pushed defense officials to submit an emergency supplemental spending request to replenish depleted coffers, but the Pentagon has yet to do so.

Tehran’s ability to scare off commercial ships continues to give it leverage in any peace negotiation with the U.S.

Defense Secretary Pete Hegseth said in a statement that the documents "have long fueled justified speculation — and it's time the American people see it for themselves."

Without a replenished stockpile, the Defense Department may not be able to sustain many more months of Middle East operations. And any new conflict in Asia could present significant challenges, sources say.

The agreements with Anduril, CoAspire, Leidos and Zone 5 commence the launch of the new Low Cost Containerization Munitions Program (LCCMP).

The US military wants cheaper missiles it can buy by the thousands, aiming to avoid running short in a major conflict.

Four in 10 Americans think the record Pentagon budget of $1.5 trillion is "much too high," while 19% see it as "somewhat too high," the poll found.

Anthropic’s Project Glasswing and Claude Mythos announcement may have sparked concerns across the cybersecurity community, but Pentagon technology leaders say the emergence of Mythos-style AI models could ultimately strengthen U.S. cyber defense ...

Defense Secretary Pete Hegseth blindsided Pentagon officials and European allies by suddenly canceling a long-planned deployment of 4,000 troops to Poland — an abrupt reversal that has observers scratching their heads about what comes next.