Dudley Walker "Mush" Morton was a submarine commander of the United States Navy during World War II. He was commander of USS Wahoo during its third through seventh patrols. Wahoo was one of the most-celebrated submarines of World War II, sinking at least 19 Japanese ships, more than any other submarine of the time. Morton and Wahoo disappeared in 1943 during a patrol near La Perouse Strait, and he was ultimately declared deceased three years later.