Here's what happened when a U.S. Army intel officer returned to Vietnam to track down an enemy spy after the war.
The U.S. tech company confirmed it will still help the military with cybersecurity, training, military recruitment, and more.
Hundreds of AI experts and rights campaigners have called on Google to cease work on the program.
The number of children killed by gunfire in the United States since the 2012 mass shooting at Sandy Hook Elementary School is greater than the total of U.S. soldiers killed in overseas combat since 9/11, according to a Department of Defense report.
The Pentagon chief defined the final goal of the conflict as political reconciliation between the warring parties rather than a military victory.
The move follows a similar change to the National Security Strategy released by Trump in December.
"The solution is simple… Roy Moore: Step down from the race. Al Franken: Resign from Congress. Donald Trump: Resign from the presidency," the tweet said.
The Air Force was supposed to report Devin Kelley's domestic violence conviction to the federal gun database. It would've prevented him from legally purchasing a gun.
The Department of Defense uses a decades-old nuclear system, according to a 2016 report by the Government Accountability Office.
A ban on openly transgender people serving in the U.S. military was lifted under the Obama administration.
The new numbers show a decline overall, but service members still fear retribution for reporting assaults.
Veterans Affairs and the Department of Defense must work together to offer better options for patients.
Annual remembrance honors members of all branches of military service.
"I'm not a believer in backdoors or a single technical approach. I don't think it's realistic."
Former Defense Secretary Chuck Hagel lets slip how Syrian policy was made on the hoof.
TVs, DVD players and mini-fridges were required in every room, according to the report.
Deborah Lee James says air power is not enough in fight against militant group.
It is easy and convenient to blame a few bad apples, but the crisis in psychology runs far deeper.
Psychologists were allowed to participate in interrogations if they adhered to U.S. law, but they violated every international code of medical ethics.
A new Defense Department audit found that the employees used their government-issued credit cards for personal use.
The American way of waging war needs a long, cool rethink.
Carter benefited from bipartisan support after he was nominated in December.