An important first step toward preventing a future catastrophe at sea would be for the nations currently producing nuclear submarines to agree to a ban on their sale or transfer, along with similar bans regarding propulsion technology.

During World War II, it produced submarines.

They produce atomic-powered submarines, but they're not needed any longer.

In 1971, After the September 18 incident, Xiao returned to his work in the navy and took charge of producing nuclear-powered submarines (including the nuclear submarine) and missile flooding aircraft.

At sea, the hope is to be able to produce boats, ships and submarines whose machines transmit few vibrations to the water, foiling enemy hydrophones used to track potential targets.

VSEL and Cammell Laird were the only British shipyards capable of producing nuclear submarines.

Sevmash is the only shipyard in Russia producing nuclear submarines.

Even at current production rates, Moscow is not producing warships and submarines fast enough to maintain the strength of its rapidly aging fleet.

Senator Joseph I. Lieberman, Connecticut's other Democratic Senator, said the conference committee decision would preserve "our nation's capacity to produce submarines into the next century."

The yard in Elbing produced engines and submarines of the Seehund class.