Bomber Command

During World War II, Allied bombing raids brought death and destruction to German cities.

A controversial memorial to the British aircrew who flew on bombing missions is being unveiled in London.

Douglas Hudson is one of the airmen who took part - many of his fellow fighters were shot down.

(Image: British Airforce AVRO Lancaster Bomber of the 50 Squadron in flight during World War II. Credit: Hulton Archive/Getty Images)