The rollerball pen dispenses conductive silver ink, enabling electrical circuits to be drawn directly on paper and other surfaces.
The black beret, introduced 10 years ago, proved deeply unpopular with American soldiers.
Corporal A.V. Scott went missing on the battlefields of the Korean War nearly 60 years ago.
John Demjanjuk, 91, is unlikely to live out the five years of his sentence for being an accessory to murder of almost 30,000 people.
Civil War photographers completely changed perceptions of modern warfare.
The bloodiest conflict on American soil ushered in a new era of medicine.
The bloodiest conflict on American soil ushered in a new era of medicine.
The bloodiest conflict on American soil ushered in a new era of medicine.
Helmets currently leave soldiers' faces unprotected, allowing explosive forces to blast through.
The tech can detect vibrations from a tank, a truck, even a person's footfalls, and pinpoint the source.