Caspian Sea Monster Ekranoplan Flight Video - YouTube--These craft were originally developed by the Soviet Union as very high-speed military transports, and were based mostly on the shores of the Caspian Sea and Black Sea. The largest had max take-off weight over 544 tonnes. About 120 ekranoplans (A-90 Orlyonok class) were initially planned to enter military service in the Soviet Navy.
This is a starboard side view of three aircraft in flight. The three are all from the Pacific Division of the Military Air Transport Service. Front to rear are an Lockheed R7V Constellation, then a Douglas C-124 Globemaster II (s/n 51-101), and then a Boeing C-97 Stratofreighter. (U.S. Navy photo)