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) a Maltese tug. "Ursa" undertook regular anti-gunrunning patrols off Cyprus. Patrolling the island, in company with other members of the squadron, the object of the patrols was trying to thwart the efforts of EOKA (terrorist groups who were fighting for independence from British rule). These patrols were generally of six weeks duration, and then a relief. In June–July 1956 she underwent a minor refit of approximately five weeks in Gibraltar, later going into the King George IV dry dock, with the whole squadron (and two minesweepers) for maintenance. In November 1956, with the rest of the squadron, "Ursa" formed part