This Navy craft is meant to communicate with nuclear forces in the event of a nuclear war. And a bird strike just grounded it.
Nearly 80 years ago, the USS Grunion submarine sank on its inaugural mission during World War II, taking the lives of 70 sailors with it as it plunged to the bottom of the Pacific.
Iran enriched uranium to 4.5%, breaking the limit of 3.67% set during the 2015 nuclear deal. Here's what that all means for the possibility of an Iranian bomb.
The remarkable endurance of German and Allied soldiers during World War II had a secret ingredient.
The identity of a U.S. warplane pilot, missing in action for almost 75 years, has been revealed after a diving expedition to the wreck of his aircraft.
A rare Enigma machine — a German gadget that encoded secret messages during World War II — is up for auction.
An erroneous alert about a nuclear attack was sent to Hawaii residents. The ensuing confusion and hysteria revealed that Americans are not prepared.
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