 Complete the following phrase:  Leander and her near sister were a new type of ship in the Royal Navy, being exceptionally large and powerful frigates. They were ordered in response to the threat posed by the heavy American spar-decked frigates, during the War of 1812. Leander proved a successful ship, which operated in squadrons which chased the American frigates, but ultimately failed to catch them before the war ended. Refitted to serve as flagships for admirals on foreign stations, Leander saw action with Admiral Edward Pellews fleet at the 