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An authentic recording of an air-raid siren sounding the warning

An archive recording of an air raid siren sounding the 'all clear'

A montage of air-raid sounds, including the air-raid siren, bombing and the 'all-clear'.

The sound of a fire engine racing through the streets during the Blitz.

The sound of RAF Spitfires as they 'scramble'

The authentic sounds of an Avro Lancaster bomber taking off

A briefing for RAF bomber crews prior to a raid

Authentic sounds of an air raid in progress.

The crew of an Avro Lancaster bomber recorded during a raid