World War II hero Raoul Wallenberg, who is credited with helping at least 20,000 Hungarian Jews escape the Holocaust, has been pronounced dead by Swedish authorities, 71 years after he disappeared ...

The Signal Corps had responsibility for one of the most important systems used during World War II – radar. Developed out of the Signal Corps Laboratories at Fort Monmouth, Army radar was first ...

World War II shaped the course of human history more than any conflict in recent memory. ... Swedish Army Museum / CC BY 4.0 / Wikimedia Commons. Type: Semi-automatic pistol; Year introduced: 1903; ...