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
165 Squadron, Republic of Singapore Air Force air defence system. 165 Squadron, Republic of Singapore Air Force The 165 Squadron is an Air Defence Group squadron of the Air Defence Operations Command, Republic of Singapore Air Force. It operates the Rapier missile purchased from British Aerospace since 1983, providing air defence cover against low-flying aircraft. With its motto, ""Pride in Protection"", the squadron conducted its first live-firing exercise at the Royal Artillery Range in Hebrides, the United Kingdom in July 1984, and participated in its first overseas deployment exercise in 1985 in Exercise Air Thai-Sing (now known as Exercise Cope Tiger) at Chandy Range in Thailand. The