Perseus and Andromeda (Titian) was ruled by the beautiful but vain queen, Cassiope; she maintained that her beauty, and that of her daughter Andromeda, was superior to that of the sea nymphs, who were the daughters of Poseidon, the god of the sea. When the nymphs became aware of her claims, they protested to their father, who retaliated by calling up a Cetus or sea monster to ravage the coastline of Ethiopia placing Cassiope's kingdom at risk. On the advice of Jupiter Ammon, the Queen, together with her husband Cepheus, decided to sacrifice her daughter Andromeda to the monster. Perseus, flying back from his
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