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").
Heracles happened to arrive (along with Telamon and Oicles) and agreed to kill the monster if Laomedon would give him the horses received from Zeus as compensation for Zeus' kidnapping Ganymede. Laomedon agreed. Heracles killed the monster, but Laomedon went back on his word. Accordingly, in a later expedition, Heracles and his followers attacked Troy and sacked it. Then they slew all Laomedon's sons present there save Podarces, who was renamed Priam, who saved his own life by giving Heracles a golden veil Hesione had made. Telamon took Hesione as a war prize and they had a son, Teucer. This is