Avro Lancaster Mk.I - Polish Users

As many of you know, the Polish Air Force continued to fight under the colours of many of the air forces of the world, among them the Royal Air Force. The Polish Air Forces in the Great Britain were organized in various fighter, bomber, support and other roles. One of those was dedicated to strategical bombing and was equipped with the Avro Lancaster Mk.I.

• No.300 (Polish) 'Land of Masovia' Squadron: This squadron received the Avro Lancaster Mk.I on 5th March 1944 based at RAF Faldingworth, in Lincolnshire, replacing that way the Vickers Wellington they had been flying since 1940. Since then they took part in many famous raids against Germany, like the raids against V-weapons sites, operations supporting Operation Overlord, Rhine crossing, the Battle of the Ruhr and the aerial Battle of Berlin. Their last raid was on 8th May 1945 against Hitler's residence in Berchtesgaden. They retained the Avro Lancaster until 2nd January 1947 when the squadron was disbanded. 

Sources:

1. https://en.wikipedia.org/wiki/Avro_Lancaster

2. https://en.wikipedia.org/wiki/Polish_Air_Forces_in_France_and_Great_Britain

3. https://en.wikipedia.org/wiki/No._300_Polish_Bomber_Squadron

4. Signal Squadron - Aircraft In action 52 - Lancaster in Action