Roundel - Long-sleeve T-shirt Roundel gave the bomber a greater

gave the bomber a greater chance of surviving anti-aircraft flak

Aircrews who blast around the loop have another unrepeatable name for this low flying area

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

This helicopter was built by Westland under licence from American Sikorsky

The aircraft went on to serve with the Indian Air Force

Roundel - Long-sleeve T-shirt Roundel gave the bomber a greaterRoyal Air Force Roundels This graphic tshirt displays roundels used by RN Fleet Air Arm, Army Air Corps and the Royal Air Force through the ages. Initially the Union Flag was painted on early combat aircraft, but roundels were used to avoid confusion with the German Iron Cross. The Royal Flying Corps started using the blue outer and red centre roundel in December 1914. The roundel evolved over the years and varied according to the role of the aircraft