Scallywag bunker

They were usually recruited from the most able members of the Home Guard, possessed excellent local knowledge and were able to live off the land.

[6] They were always intended to fight in Home Guard uniform and from 1942 the men were badged to Home Guard battalions 201 (Scotland), 202 (northern England), or 203 (southern England).

[citation needed] Around 3,500 men were trained on weekend courses at Coleshill House, near Highworth, Wiltshire, in the arts of guerrilla warfare including assassination, unarmed combat, demolition and sabotage.

They were provided with elaborately-concealed underground Operational Bases (OB),[7][8] usually built by the Royal Engineers in a local woodland, with a camouflaged entrance and emergency escape tunnel.

[9] It is thought that 400 to 500 such OBs were constructed in England, Wales and Scotland.