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.