Polish Air Squadrons Remembered Photo: General Sosnkowski in conversation with pilots of R.A.F. 315 (City of Deblin) Squadron who have just staged a flypast at R.A.F. Ballyhalbert, Co. Down. This was a highlight of the Squadron Day celebrations on 14th August 1943. Talking to him is Flight Lieutenant Zajac and Squadron Leader Jerszy Poplawski. In the background is Supermarine Spitfire V BM144 PK-O. Photo used with kind permission of Wilhelm Ratuszynski.