We often think of submarines as fairly complex pieces of ... and maintaining neutral buoyancy while traveling underwater is a considerable engineering challenge. But it turns out that if you ...

This led to the introduction of Swimmer Delivery Vehicles (SDVs), powered mini submarines able to deploy from a mother sub underwater and carry frogmen to their objective. In 1968 the submarine ...

The year is 1961. USA needs an edge agaist the soviets. They turned to military supplier Convair, who at the time was looking ...

He felt that the later Tomahawk cruise missile — basically a flying mini-submarine — was a direct ... in getting something to transition from underwater to airborne, and the Tomahawk was ...