Ratio 4:8:9 (SEAC) Used by units under South East Asia Command and in the CBI theatre in 1942. Red removed to avoid confusion with the Japanese hinomaru, but retained on fin flash. Not used for very long before being replaced by light blue/dark blue roundel.  A blue/white roundel, Was also used on Fleet Air Arm aircraft.  Blue/white roundels were also used by the Royal Australian Air Force (RAAF), which simply over-painted the red dot in white, regardless of previous proportions.