A Douglas Dakota of the British Overseas Airways Corporation at Gibraltar, silhouetted by searchlights on the Rock, 1940-45

An aerial photograph taken during an air raid on Berlin, with the wavy lines of searchlights and anti-aircraft fire, 1941

Searchlights on the Rock at Gibraltar, 1942

An aerial photograph of a bombing raid on Cologne, 1942 - the streaks are the tracks of searchlights and tracer bullets from anti-aircraft fire

An Avro Lancaster on the runway before taking off for an air raid, with searchlights indicating the height of the cloud base, 1943

ATS officers-in-training operate a searchlight, 1944

Source: Imperial War Museum via The Passion of Former Days