The early warning radars on Greenland are key to defending the U.S. against nuclear attack, but they're vulnerable to hypersonic missiles, critics warn.
The Pentagon’s top national security focus will mirror that of President Trump’s “America First” agenda to defend the homeland, with China a key focus.
The much-anticipated summit ended with a thud after the two leaders conceded they had failed to reach any agreements on how to end the Russia-Ukraine war.
Trump is flying to Alaska for a high-stakes summit with Putin that could determine the trajectory of the war in Ukraine and the fate of European security.