Medusa received help. He received a mirrored shield from Athena, gold, winged sandals from Hermes, a sword from Hephaestus and Hades's helm of invisibility. Since Medusa was the only one of the three Gorgons who was mortal, Perseus was able to slay her while looking at the reflection from the mirrored shield he received from Athena. During that time, Medusa was pregnant by Poseidon. When Perseus beheaded her, Pegasus, a winged horse, and Chrysaor, a giant wielding a golden sword, sprang from her body. Jane Ellen Harrison argues that "her potency only begins when her head is severed, and that potency
USS Medusa (AR-1) she again carried Marines to Nicaragua, this time in company with storeship . "Medusa" continued her fleet support duties out of San Pedro until mid-August 1941, when she moved to Pearl Harbor, Hawaii. She was there on 7 December 1941 when Imperial Japanese Navy carrier aircraft attacked. With her commanding officer ashore, her repair officer, Lieutenant Commander John F. P. Miller, took command. "Medusa" fired on a Japanese Type A midget submarine she sighted in the harbor, ceasing fire on it when destroyer closed in to sink the submarine. "Medusa"s antiaircraft machine gunners claimed two Japanese Aichi D3A1 dive bombers