What makes these submarines so dangerous is their combination of ... MrTech. The Silent Giant: US $4 Billion Virginia-Class Submarine Ready to Challenge China. Posted: June ... I’m a microbiologist.

Boeing has delivered a large robotic submarine to the U.S. Navy following a series of sea trials, the company and service announced Wednesday. Called Orca, the diesel-electric Extra-Large Unmanned ...

The submarine was also armed with a 140 mm deck gun, six torpedo tubes, and three 28 mm anti-aircraft guns. The Aichi M6A was a noted departure from previous submarine-launched aircraft.

The rescue effort, which involved lowering a "bell" over the hatch of the giant submarine is continuing after a "serious collision" left the 14,000-ton submarine, and its crew of 116 sailors ...

Summary: In 1974, China launched its first nuclear-powered submarine, the Type 091 Han-class, marking a significant milestone in its naval capabilities and achieving Chairman Mao’s long-held ...