SHELTERS ABRI)

Located behind the main defense line are the concrete shelters. These shelters are the barracks for the troupes stationed between the casemates.

The shelters are large bunkers with most often two entrances. The armament is often two turrets with machinegun and machine guns for close protection. Inside are the bedrooms, a small hospital, a kitchen and storage facilities. Each shelter has it's own power station and telephone connection