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) Ltd, commissioning in November of that year under the command of Commander Sam Brooks, DSC RN, as a member of the 5th Frigate Squadron. She spent the first half of 1962 in the Mediterranean, returning to the UK in June 1962. In January 1963, while on exercises near Ailsa Craig in the Firth of Clyde, Scotland, in support of the submarine service, she collided with the destroyer . "Ursa" suffered a damaged bow, while "Battleaxe" suffered more consequentially, being struck athwartships. As luck would have it the crew from the forward mess deck most heavily damaged on "Ursa" were on