US defense secretary says ongoing lack of communication with China could lead to incident that could 'spiral out of control'
US says Chinese jet conducted 'unnecessarily aggressive maneuver' intercepting US spy plane over South China Sea
Exclusive: Senior US general ordered Twitter announcement of drone strike on al Qaeda leader that may have instead killed civilian
How GOP attacks on 'wokeism' helped lead the Pentagon to abandon its effort to combat extremism in the military
Defense personnel alarmed after memos reveal Air Force leadership warned about accused Pentagon leaker but let him continue working
Ukraine has 'successfully' used UK-provided Storm Shadow missiles against Russia, British Defense Secretary tells CNN