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.

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

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

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

Defense Secretary Pete Hegseth vowed to quickly comply with President Donald Trump's border executive orders upon arriving ...

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

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

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

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

Pete Hegseth told Milley, a critic of Trump, that he had ordered an investigation to determine whether his rank should be ...

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