Lernaean Hydra just to slay Heracles. Upon reaching the swamp near Lake Lerna, where the Hydra dwelt, Heracles covered his mouth and nose with a cloth to protect himself from the poisonous fumes. He shot flaming arrows into the Hydra's lair, the spring of Amymone, a deep cave from which it emerged only to terrorize neighboring villages. He then confronted the Hydra, wielding either a harvesting sickle (according to some early vase-paintings), a sword, or his famed club. The chthonic creature's reaction to this decapitation was botanical: two grew back, an expression of the hopelessness of such a struggle for any but
Greek frigate Hydra Greek frigate Hydra Hydra" (F-452) (Greek Φ/Γ "Ύδρα) is the lead ship of the Greek and flagship of the Hellenic Navy. The ship was built in the same shipyard as the Blohm + Voss MEKO 200 frigate class, on which its design was based. Three more vessels were built by Hellenic Shipyards Co. at Skaramagas in following years. It is the fifth ship in the Hellenic Navy to bear the name "Hydra". "Hydra" was the first of four frigates of the MEKO 200 type (the four being "Hydra", , , and ) ordered by the Greek government. The ship was