Squadron leader Squadron leader Squadron leader (Sqn Ldr in the RAF ; SQNLDR in the RAAF and RNZAF; formerly sometimes S/L in all services) is a commissioned rank in the Royal Air Force and the air forces of many countries which have historical British influence. It is also sometimes used as the English translation of an equivalent rank in countries which have a non-English air force-specific rank structure. An air force squadron leader ranks above flight lieutenant and immediately below wing commander and it is the most junior of the senior officer ranks. The air force rank of squadron leader has a
No. 9 Squadron (Pakistan Air Force) well as its most senior. No. 9 Squadron was originally raised on 13 November 1943 at Risalpur. The squadron was formed at Lahore on 3 January 1944, equipped with the Hawker Hurricane IIC, by Squadron Leader A.W. Ridler of the Royal Air Force. During this time the squadron was commanded by then Squadron Leader Asghar Khan and deployed in Burma where it was extensively involved in World War II operations against the Japanese, later being awarded the sword of a Japanese general for its services. The squadron was also converted to the Spitfire VIII in 1945, still with then Squadron