President Trump's desire to buy Greenland, which state secretary Rubio confirmed was "no joke," has raised tensions between ...

Defense Secretary Pete Hegseth on Tuesday revoked the security detail and security clearance for Gen. Mark Milley, according ...

Defense Secretary Pete Hegseth discusses President Donald Trump's plans to use Guantanamo Bay to house criminal migrants in ...

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

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

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