GPS doesn't work when submarines submerge, instead crews rely on the Inertial Navigation System, tracking the submarine in relation to its starting point.

Sea Guru II, an underwater robot designed by researchers at Westlake University in east China's Zhejiang Province, is seen before a 2,000-meter deep-sea trial ...

Five underwater drones found by Filipino fishermen were capable of aiding “underwater warfare” and at least one sent signals ...

China embeds its military ambitions within Pacific Island nations by developing dual-use infrastructure such as ports, ...

At the centre of this transformation stands "Nistar," a sophisticated Diving Support Vessel (DSV) that could redefine India's ...

Britain is threatened because a Russian spy ship named Yantar has been seen eyeing its underwater energy infrastructure in ...

They are equipped with GPS navigation systems ... generation systems to support the crew during extended underwater missions. Narco-submarines typically operate with small crews of two to four ...