 I./KG 54 extended its area of operations into France on 17 May when it bombed the train station at Valenciennes, and troop concentrations near Cambrai, attacking the city before transferring to Werl the same day.On 18 May I./KG 54 bombed Arras, Calais and Dunkirk, before battles began in those cities.III./KG 54 bombed Valenciennes station, Mauberge and Cambrai on 17 and 18 May.