The Latest Breaking News from Defense Department

WASHINGTON — The Defense Department and Microsoft Corp. are investigating an error that exposed at least a terabyte of military emails including personal information and conversations between officials, people familiar with the matter said, an episode that highlighted the security risk of moving sensitive Pentagon data to the cloud.

WASHINGTON — It was envisioned as the centerpiece of a $200 billion program revolutionizing how the U.S. Army would fight. Now it’s languishing in storage in Virginia, a 25-ton symbol of the malaise that lies at the nexus of the Pentagon and the defense industry.

Members of Congress are grappling with what to do after the downing of a Chinese balloon and three other aerial objects over American airspace

Four U.S. troops were wounded during a helicopter raid that killed an Islamic State group leader in northeast Syria, U.S. officials said on Friday.

SEATAC, Wash. — In the 1980s, rookie firefighters at Seattle-Tacoma International Airport endured a hazing ritual known as the "foam shower."

Congress is seeking legislative fixes to the scourge of military hunger, which is a persistent problem for the Pentagon.

Rep. Mike Garcia's rapid ascent to a seat on the House Defense Appropriations Subcommittee is turning heads in Washington.

Election betting markets are often more reliable than pundits. Did the site steal user funds? No. Did they lie to people? No. Harm anyone? No.

The Pentagon has an office to study what it describes as ‘unknown aerial phenomenon’ but the White House says the objects shot down by US and Canadian planes over the last few days show no ‘indication of aliens or extraterrestrial activity’

The White House has failed to match means and ends.

Australia's Defense Department will remove surveillance cameras made by Chinese Communist Party-linked companies from its buildings