Formation sign of the  British III Anti-Aircraft Corps in the Second World War. The design is based on (general) Corps colours, red and white, and crescents on the coat of arms of the Corps G.O.C. Lieutenant-General H. G. Martin.
This photograph INS 6558 comes from the collections of the Imperial War Museums.



Cole, Howard, Formation Badges of World War 2. Britain, Commonwealth and Empire, Arms and Armour Press
Original: British Army Vector:  Usedtoknowthat