U.S. Defense Secretary Pete Hegseth and NATO Secretary-General Mark Rutte discussed the alliance in a call on Wednesday, ...

For more than 60 years, the military has launched reconnaissance, communications, and missile warning satellites into orbit.

Defense Secretary Pete Hegseth began his first official day at the Pentagon Monday. A flurry of orders are expected that will ...

New U.S. Defense Secretary Pete Hegseth, in one of his first acts in the job since being appointed by President Donald Trump, ...

An executive order said the United States faced a “catastrophic threat” from advanced aerial weapons. But a defense system ...

The executive order explicitly notes that the policy aims to achieve what was left unfinished by Reagan’s Strategic Defense ...

Defense Secretary Pete Hegseth said Monday the Pentagon will pursue an Iron Dome-style missile defense system for the United ...

The new cadre of national security officials is highly confident, highly online and scornful of Washington’s foreign policy ...

Trump's order establishing an Iron Dome for America includes a wider focus to defend the homeland from air and missile ...

Trump said earlier Wednesday that the U.S. has "30,000 beds in Guantánamo to detain the worst criminal illegal aliens ...

The Pentagon has asked its inspector general to review the record and behavior of Gen. Mark A. Milley, the retired chairman ...