Keywords: Lancaster pa474 turrets at kemble arp.jpg Two of the gun turrets of the Battle of Britain Memorial Flight Lancaster B1 bomber PA474 The aircraft is waiting to display at Kemble Battle of Britain Weekend 2009 Cotswold Airport Gloucestershire England The BBMF brochure for 2009 says one of 7 377 Lancasters built In the markings of No 550 squadron on one side BQ-B and No 100 squadron on the other HW-R Built in Chester England in mid-1945 too late to take part in World War 2 The turret on the far left of the picture is the tail or rear position and the turret above the big red letter B is the mid-upper or dorsal position September 2009 own Adrian Pingstone Arpingstone Arpingstone Avro Lancaster PA474 Avro Lancaster tail gun turrets |