When spending so long beneath the waves, the heliox gas gives crews of deep sea submarines a better blood oxygen saturation and means they can remain safe under the water, explained excellent ...

While all that is very cool, there’s one downside to riding in a deep sea submarine: you might end up sounding pretty silly. When a submarine dives below the surface, it’s a completely sealed ...

with Beijing on track to have a new generation of nuclear-powered and -armed submarines in operation by the end of the decade. "Facing a serious and complicated covert struggle for deep-sea ...

China Warns of Deep-Sea Spying Devices, Underwater 'Lighthouses' That Guide Foreign Submarines By Joe Cash BEIJING (Reuters) - China's Ministry of State Security said on Tuesday that it had ...

with Beijing on track to have a new generation of nuclear-powered and -armed submarines in operation by the end of the decade. “Facing a serious and complicated covert struggle for deep-sea ...

with Beijing on track to have a new generation of nuclear-powered and armed submarines in operation by the end of the decade. "Facing a serious and complicated covert struggle for deep-sea ...