Steven F. Udvar-Hazy Center: South hangar panorama, including Vought OS2U-3 Kingfisher seaplane & B-29 Enola Gay, among others Image by Chris Devers Quoting Smithsonian National Air and Space Museum | Vought OS2U-3 Kingfisher: The Kingfisher was the U.S. Navy's primary ship-based, scout and observation aircraft during World War II. Revolutionary spot welding techniques … [Read more...] about Steven F. Udvar-Hazy Center: South hangar panorama, including Vought OS2U-3 Kingfisher seaplane & B-29 Enola Gay, among others