American warships will soon be equipped with a standard 4G connection.

The world-famous Mitsubishi Heavy Industries Corporation in November this year presented its unique development — the newest propeller, which allows to significantly increase the productivity.

Caterpillar Marine Power Systems recently unveiled its next model of the MaK M46DF serial engine for commercial vessels.

The ocean is the largest and most alien habitat, there lies enormous power and overwhelming pressure. Until recently, mankind was denied access to this part of the planet. Studies of the underwater world have become possible due to modern underwater vehicles.