 Whilst there the crews listened to operational experiences from the Dornier Do 17-equipped "Kampfgeschwader" 4.Commander-in-chief of "Luftflotte" 4, Alexander Löhr, ordered KG 55 into action and the wing bombed railway targets in support of the German Fourth Army.The attacks were made in a 10–30 degree dive from altitudes of 2,000 metres (6,500 ft).