14 May 1940 The British Local Defence Volunteers was formed, an armed citizen militia designed to support the British Army during the Second World War. It was later renamed the Home Guard and the Dad’s Army
Home Guard (United Kingdom), article from Wikipedia     https://en.wikipedia.org/wiki/Home_Guard_(United_Kingdom)

I’M GUARDING THE HOME OF THE HOME GUARD   - George Formby       https://www.youtube.com/watch?v=bHvOD041krI
THE SOLDIERS OF THE OLD HOME GUARD     https://www.youtube.com/watch?v=lajehPRlCYk
DAD’S ARMY SONG  - TV Theme Players       https://www.youtube.com/watch?v=xjIdz_keshk
WE STOOD ALONE  - Dad's Army Choir       https://www.youtube.com/watch?v=oRU8r_o9DLE
COULD YOU PLEASE OBLIGE US WITH A BREN GUN ?  - Noel Coward       https://www.youtube.com/watch?v=jIZq-alEsWM