• Anti-Aircraft Co-operation Flight RAF (1931–36) became Anti-Aircraft Co-operation Unit RAF • Anti-Aircraft Co-operation Flight, Indian Air Force Volunteer Reserve (1941–42) became No. 1 Anti-Aircraft Co-operation Flight, Indian Air Force Volunteer Reserve •
No. 1 Anti-Aircraft Co-operation Flight, Indian Air Force Volunteer Reserve (1942) became
No. 1 Anti-Aircraft Co-operation Unit, Indian Air Force •
No. 2 Anti-Aircraft Co-operation Flight, Indian Air Force Volunteer Reserve (1942) became
No. 2 Anti-Aircraft Co-operation Unit, Indian Air Force • No. 3 Anti-Aircraft Co-operation Flight, Indian Air Force Volunteer Reserve (1942) became No. 3 Anti-Aircraft Co-operation Unit, Indian Air Force ==References==