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) until June 1964. "Ursa" continued in service until paying off at Devonport for the last time on 28 October 1966. She was subsequently sold for scrapping and arrived at Cashmore's in Newport in 1967. 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