sentences:  On the formation of the Royal Air Force on 1 April 1918 it became No.207 Squadron, RAF, moving back to Netheravon in England for re-equipping with the more advanced version of the O/100, the Handley Page O/400, returning to France in July as part of 54 Wing and continuing to fly night raids against railway targets.It moved to Germany as part of the Army of Occupation in January 1919, serving there until August, when it handed its aircraft to No.