The S80 class submarines are the only 3,000-ton vessels in the world equipped with the AIP system, according to Navantia.

Austrian aerial stuntman and all-around maniac Peter Salzmann has already pushed wingsuiting to a whole 'nother level in strapping on an electric propulsion system to turn himself into what might be ...

General Dynamics has secured a $15.9 million contract from the U.S. Navy to develop the MEDUSA sea mining system.