The Royal Air Force roundel
is a circular
identification mark painted on aircraft
to identify them to other aircraft and ground forces. In one form or another, it has been used on British military aircraft (including naval aircraft) from 1915 to the present.
When the First World War
started in 1914 it was the habit of ground troops to fire on all aircraft, friend or foe, which encouraged the need for some form of identification mark. At first the Union Flag
was painted under the wings and on the sides of the fuselage. It soon became obvious that at a distance the St George's Cross
of the Union Flag could be confused with the Iron Cross
that was already being used to identify German
aircraft. After the use of a Union Flag inside a shield was tried it was decided to follow the lead of the French who used a tricolour Cockade
(a roundel of red and white with a blue centre). The British reversed the colours and it became the standard marking on Royal Flying Corps
aircraft from 11 December 1914 The Royal Naval Air Service
meanwhile used a red ring with a white centre until they too standardised on the same roundel markings as the RFC.
The official order stated:
In 1915, with the roundel carried by all RFC (and RNAS) aircraft, the use of the Union Jack was in practice discontinued. The Royal Air Force has employed... Read More