 The Bombing and Gunnery School (B&GS) offered instruction in the techniques of bomb aiming and aerial machine gunnery to Air Observers, Bomb Aimers, and Wireless Air Gunners.These schools required large areas to accommodate their bombing and gunnery ranges, and were often located near water.The Avro Anson, Fairey Battle, Bristol Bolingbroke, and Westland Lysander were the standard aircraft used at B&GS schools.