The Australian Government has announced a payment of A$310m ($218m) to procure long lead items from the UK to aid the development of Australia’s conventionally armed, nuclear-powered submarines. The ...

Add Yahoo as a preferred source to see more of our stories on Google. " The completed and welded hull means that they have already mounted a nuclear reactor inside," said Hong Min, an expert on the ...

The U.S. Navy says it has welded and installed its first 3D-printed metal part on a nuclear submarine, a step that could reshape how the fleet maintains and repairs its most sensitive vessels. The ...

Submarines are among the most advanced and mysterious machines ever built. Designed to operate beneath the surface of the sea ...