‪Caspian Sea Monster‬‏ - YouTube
Here is a machine that is called "The kaspian sea monster" it is an ekranoplan, original design was made by Finnish in a smaller scale, but russians wanted them bigger for military purposes, itt is quite scary since it is really big, really fast and it cant be detected by radar or such devices and that thing can be equipped with missile platforms and it can carry tanks and other equipment. These machines were developed during the last days of the old soviet union, but they stopped the research and development when they ran out of money and there was an accident during testing wich caused a total destruction of one of these vehicles. A few of them still remain and are either in naval museum or abandoned in some shipyard. But imagine a large aeroplane operating 10 feet from the surface of the ocean, it is fast and quiet since those turbine engines on the front are only used when accelerating to operation speed, they build a pressure between that weird wing and the ocean surface, wich lifts the thing out of the water and once it has enough speed, it only needs that one propeller in the tail to uphold the speed... I have got to get me one of those..