HMS Hydra (A144) the first commission of HMS "Hydra". She was decommissioned and sold to the Indonesian Navy in 1986 and renamed KRI "Dewa Kembar" (Pennant Number 932); she was still in service in 2006. There have been eight ships of the name in the Royal Navy, named for the Hydra of Greek Mythology, a serpent with many heads (though nine is generally accepted as standard), the centre one of which was immortal. The monster was overcome and slain by Hercules. The ship's badge of HMS "Hydra" depicts the monster with seven heads. The ship's motto was "Ut Herculis Perseverantia" ("Like Hercules Persevere").
Nessus (mythology) "Nessos", "Lexicon Iconographicum Mythologiae Classicae", Munich-Zurich, Artemis Verlag, vol. VI,1, 1992, 838-847 & VI,2, 1992, 534-555. Nessus (mythology) In Greek mythology, Nessus (Ancient Greek: ) was a famous centaur who was killed by Heracles, and whose tainted blood in turn killed Heracles. He was the son of Centauros. He fought in the battle with the Lapiths and became a ferryman on the river, Euenos. Nessus is known for his role in the story of the Tunic of Nessus. After carrying Deianeira, the wife of Heracles, across the river, he attempted to force himself upon her. Heracles saw this from across