Ursa Major is the name of a constellation comprising stars from the head and forelegs of Ursa Major; "pucwan" (ပုဇွန်) is a general term for a crustacean, such as prawn, shrimp, crab, lobster, etc. In Roman mythology, Jupiter (the king of the gods) lusts after a young woman named Callisto, a nymph of Diana. Juno, Jupiter's jealous wife, discovers that Callisto has a son named Arcas, and believes it is by Jupiter. Juno then transforms the beautiful Callisto into a bear so she no longer attracts Jupiter. Callisto, while in bear form, later encounters her son Arcas. Arcas almost shoots the bear,
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