Inaugural-day executive order instructs NORTHCOM to “repel forms of invasion”—a legal formulation that might not stick.

From reclaiming the Panama Canal to border security, President Donald Trump’s inauguration speech touched on a variety of ...

Donald Trump has named the acting heads of national-security agencies—all career federal executives—to serve until ...

After his swearing-in on Monday, the new president will declare a national emergency at the U.S.-Mexico border, a staffer ...

During his first term as president, Trump declined to divest his global businesses, leading to more than 3,400 conflicts of ...

Trump and Musk, tapped to run a new Department of Government Efficiency, have floated a variety of ideas to reform Pentagon ...

Patrick Tucker describes a Defense Department in transition as Russia's Ukraine invasion approaches the four-year mark.

The Army, Defense Logistics Agency, and Pentagon are working to make data-sharing easier and improve supply-chain woes.

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• Free agents to focus on assisting constituents with complex concerns ...