1931: The USS Akron, a purpose-built aircraft-carrying airship, is commissioned.
1947: First flight of the Hughes H-4 Hercules ("Spruce Goose").
1954: the VTOL Convair XFY transitions from vertical to horizontal flight and back.
1964: A U.S. Air Force HH-43F helicopter conducts the first night rescue by the Air Force's Air-Sea Rescue Service in Southeast Asia.
1992: First flight of the Airbus A330-300.
1995: First flight of the Fokker F60.