Curtiss - Sweat Shirt Boulton Paul Defiant 40 was Britain's first jet

40 was Britain's first jet engined aircraft created for the Air Ministry to test Frank Whittle's new jet propulsion technology

The last remaining Valkyrie is on display in the National Museum of the United States Air Force near Dayton

The type saw combat service in Vietnam and remained in service with United States Air National Guard until 1979

Nicknamed the 'Jug'

Curtiss - Sweat Shirt Boulton Paul Defiant 40 was Britain's first jetCurtiss Aeroplane Company In 1907 Glenn Curtiss became a member of the Aerial Experiment Association founded by Dr Alexander Graham Bell. The purpose of the association was to establish aeronautical research and development. Glenn Curtis then formed the Herring Curtiss Company with Augustus Herring which was then renamed the Curtiss Aeroplane Company in 1910 based in Hammondsport, New York. Curtiss merged with the Curtiss Motor Company in 1916 and