Record of the Movement and Equipment of all RAF Squadrons and their Antecedents since 1912.1994: Airlife Publishing Ltd., Shrewsbury, United Kingdom. . External links No 1 Group at Royal Air Force Website Air of Authority – No 1 Group No 1 Group 001 Military units and formations established in 1918 Military units and formations of the Royal Air Force in World War I 1918 establishments in the United Kingdom Bawtry Bomber aircraft units and formations of the Royal Air Force