One type of submarine that you may not have considered is the narco submarine, used in the illicit trade of drug smuggling ...

Once I successfully hoisted myself through the narrow hatch into the small space ... hopes to show visitors that submarine history encompasses more than just World War II and nuclear vessels.

A Chinese navy task group that circumnavigated Australia in February and March highlighted China's ambition to operate more frequently in the same neighborhood, Australian officials said.

Previously, World War II submarines powered by diesel engines and electric batteries ... The officers' staterooms included ...