Is China building a fleet of drone motherships to extend its naval reach?
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A second unusual Chinese vessel suspected of being designed to launch and recover large underwater drones has appeared in Guangzhou, raising questions over whether Beijing is developing a fleet of specialised motherships to extend its undersea operations beyond coastal waters. The smaller vessel, seen under tow on the Pearl River in images circulating online, resembles a ship about 200 metres (660 feet) long seen at a Shanghai shipyard last month that has since been launched.