The U.S. and the Philippines announce a joint task force to deter what Defense Secretary Pete Hegseth calls Beijing’s “coercion” in the South China Sea.
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.
As the Trump administration engages in a campaign of mass deportations, military experts and veterans say immigrant troops and their relatives are targets.