An updated Air Force dress code policy strictly prohibits a popular wearable device for troops. Here is why officials say the tech is a security risk.

Emails from witnesses, victims, and FBI documents in the declassified files suggest that the financier used the country on ...

The biggest issue that afflicts a modern fleet is not affixed by the label of a battle ship: it remains difficult to detect. The rationale of the proposed guided-missile battle ship, BBG(X), as ...