No. 188 Squadron RAF was a Royal Flying Corps and Royal Air Force Squadron that was a night training unit towards the end of World War I.
Formation in World War I
The squadron formed at Throwley Aerodrome on 20 December 1917 to train night-fighter pilots and was equipped with Avro 504s. It also trained pilots to fly the Sopwith Camel and Sopwith Pup at night. It disbanded on 1 March 1919 and never reformed in later years, however a squadron code was allocated to it in 1939.