Andromeda (constellation) daughter to Cetus. She was chained to a rock by the sea but was saved by the hero Perseus, who in one version of the story used the head of Medusa to turn the monster into stone; in another version, by the Roman poet Ovid in his Metamorphoses, Perseus slew the monster with his diamond sword. Perseus and Andromeda then married; the myth recounts that the couple had nine children together – seven sons and two daughters – and founded Mycenae and its Persideae dynasty. After Andromeda's death Athena placed her in the sky as a constellation, to honor her.
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