Maia Callisto with Zeus. Wronged by the love affair, Zeus' wife Hera in a jealous rage had transformed Callisto into a bear. Arcas is the eponym of Arcadia, where Maia was born. The story of Callisto and Arcas, like that of the Pleiades, is an "aition" for a stellar formation, the constellations Ursa Major and Ursa Minor, the Great and Little Bear. Her name is related to μαῖα ("maia"), an honorific term for older women related to μήτηρ ("mētēr") 'mother'. "Maia" also means "midwife" in Greek. In ancient Roman religion and myth, Maia embodied the concept of growth, as her name
HMS Ursa (R22) HMS Ursa (R22) HMS "Ursa" was a U-class destroyer of the British Royal Navy that saw service during the Second World War. She was later converted into a Type 15 fast anti-submarine frigate, with the new pennant number F200. "Ursa" was first allocated to the 25th Destroyer Flotilla. She served with the Home Fleet and took part in support of the Operations to invade Normandy in June 1944 and also operations along the French Atlantic coast which culminated in the final destruction of the German navy there during the Battle of Audierne Bay. In October of that year she was