Boeing B-17D "The Swoose"
DAYTON, Ohio -- View of the Boeing B-17D "The Swoose" in the restoration hangar at the National Museum of the U.S. Air Force(4/20/2023). The aircraft is the only early "shark fin" B-17 known to exist and is the only surviving B-17 to have seen action in the Philippines in the opening days of World War II in the Pacific. (U.S. Air Force photo by Ken LaRock)