Operation Leader was an air attack conducted against German shipping in the vicinity of Bodø, Norway, on 4 October 1943, during World War II. The raid was executed by aircraft flying from the United States Navy aircraft carrier USS Ranger, which was attached to the British Home Fleet. The American airmen located many German and Norwegian ships in this area, destroyed five and are believed to have damaged another seven. Two German aircraft searching for the Allied fleet were shot down. Three American aircraft were destroyed in combat during the operation, and another crashed while landing.