The US is understood to have started developing "underwater drones" amid a potential threat of war with China. A secretive underwater drone has been spotted at a California naval base by an eagle-eyed ...

The underwater stream worked, but didn't go as perfectly as he had hoped. Oates took his viewers underwater about 5 to 10 meters (about 16 to 33 feet) using an iPhone 6 and the Insta360 camera.

BRUSSELS, February 15. /TASS/. NATO Defense Ministers decided to reinforce the protection of its underwater infrastructure due to the sabotage on Nord Stream pipelines, NATO Secretary General Jens ...