Two transgender officers say they fear their military careers are over due to Trump’s ban on trans service members.

The U.S. Department of Defense is establishing and expanding National Defense Area (NDA) operations along the southwest ...

The department is working on an effort to streamline a complex set of classified networks they use with allies and partners.

This marks the third National Defense Area to be established on the southern border of the U.S., and joins over 200 miles ...

Trump suggests changing the name of the Defense Department back to War Department to avoid being 'politically correct.' The Defense Department's name changed after World War II with the consolidation ...