Ekranoplan (KM, A-90 Orlyonok and Lun)

During the mid-1960s chilly height of the Cold War, US photo reconnaisance spotted a strange apparition on the shores of the Caspian Sea - a gigantic 100m-long aircraft with inexplicably truncated square wings. US Intelligence dubbed the beast the “Caspian Sea Monster“, unaware that the Russians were developing not, as they thought, an enormous conventional seaplane, but rather a 550-ton water-hugging behemoth designed to use the ground effect to skim the ocean at high speed, undetected by radar. The Rus