Sopwith Triplane of 1917, surviving Triplanes were used as advanced trainers with No. 12 Naval Squadron. Sopwith Triplane The Sopwith Triplane was a British single seat fighter aircraft designed and manufactured by the Sopwith Aviation Company during the First World War. It was the first military triplane to see operational service. The Triplane joined Royal Naval Air Service squadrons in early 1917 and was immediately successful. It was nevertheless built in comparatively small numbers and was withdrawn from active service as Sopwith Camels arrived in the latter half of 1917. Surviving Triplanes continued to serve as operational trainers until the end of
Thomas-Morse MB-3 Thomas-Morse MB-3 The Thomas-Morse MB-3 was an open-cockpit biplane fighter primarily manufactured by the Boeing Company for the U.S. Army Air Service in 1922. The MB-3A was the mainstay fighter for the Air Service between 1922 and 1925. In March 1918, the United States Army Air Service requested several American aircraft manufacturers to design a new fighter, to be powered by a water-cooled Wright-Hispano H, a license-built Hispano-Suiza 8, to replace the French-built SPAD XIII. The Thomas-Morse Aircraft Corporation of Ithaca, New York proposed the MB-3, designed by its British-born chief designer B. Douglas Thomas, to meet this requirement, with