Princess and dragon hero is envisioned as slaying dragons even though, for instance, the Brothers Grimm had only a few tales of dragon and giant slayers among hundreds of tales. One of the earliest example of the motif comes from the Ancient Greek tale of Perseus, who rescued the princess Andromeda from Cetus, a sea monster often described as resembling a serpent or dragon. This was taken up into other Greek myths, such as Heracles, who rescued the princess Hesione of Troy from a similar sea monster. Most ancient versions depicted the dragon as the expression of a god's wrath: in Andromeda's case,
Caspian Sea Monster fly high. In the 1980s, after the KM was already destroyed, the United States discovered it was a large ekranoplan. The development of ground effect vehicles was not as widespread in the West as in the Soviet Union. Caspian Sea Monster The KM (Korabl Maket) (Russian: Корабль-макет, literally "Ship-prototype"), known colloquially as the Caspian Sea Monster, was a Soviet experimental ground effect vehicle (ekranoplan) developed by the Central Hydrofoil Design Bureau in the 1960s. The KM began operation in 1966, and was continuously tested by the Soviet Navy until 1980, when it was destroyed in a testing accident and sank