Large unit photo Luftwaffe Delmenhorst Immelmann KG27

Photo af a Luftwaffe unit in front of their building. On the building: Block Immelmann. On the backside stamp from a photographer in Delmenhorst. Officers are wearing cuff titles. Probably KG27 Boelcke (Kampfgeschwader 27) from Delmenhorst. Size 15×10.5cm.