The Department of Defense has frozen nonessential travel for civilian employees and ordered them to cancel any nonessential trips already on the books. According to the Defense Travel Management ...

The Defense Department is adopting a new online login and authentication system that will replace the current protocols for users accessing Defense Department and Veterans Affairs websites like ...

The Arrow 2, which became operational in October 2000, serves as the system's workhorse for upper-atmospheric interceptions.

Posters for the proposed Golden Dome for America missile defense shield are displayed in the Roosevelt Room at the White House. Mark Schiefelbein / AP President Donald Trump picked a design for his ...