 Complete the following phrase:  HMS Hyperion was an H-class destroyer built for the Royal Navy during the mid-1930s. During the Spanish Civil War of 19361939, the ship enforced the arms blockade imposed by Britain and France on both sides as part of the Mediterranean Fleet. During the first few months of World War II, Hyperion searched for German commerce raiders in the Atlantic Ocean and blockaded German merchant ships in neutral harbours until she returned to the British Isles in early 1940. The ship participated in the Norwegian Campaign before she was transferred back to the Mediterranean Fleet shortly afterwards. Hyperion participated in the 