Lockheed Martin executive says company cannot guarantee Patriot missile delivery timelines for US allies, citing production challenges.

Pentagon locked down, hazmat teams responding — CNN reports active emergency at US defense headquarters.

The Pentagon has been locked down and hazmat teams are responding, according to CNN.

Pentagon says Air Force, Navy, Marine Corps need $13.7B more through 2031 to reverse declining F-35 readiness rates, the world's largest weapons program, in a report to congressional auditors.

The Pentagon told congressional auditors that the Air Force, Navy and Marine Corps need an additional $13.7 billion through 2031 to boost declining readiness rates of the F-35 jet, the world's biggest weapons program.

Officials tell Trump any operation would likely need significant ground troops and could result in heavy US casualties, per CNN

Officials have communicated to Donald Trump that such an operation would likely require a significant number of ground troops and could potentially result in heavy US casualties.

Ukraine struck nearly 180,000 Russian military targets in May, Commander-in-Chief Oleksandr Syrskyi says, highlighting Kyiv's growing drone advantage.

Ukraine's drone advantage over Russia grows as nearly 180,000 military targets struck in May, Syrskyi says.