Maginot Line Gros Ouvrage Billig A18 | military, fortification, Maginot line

 military, fortification, Maginot line

Gros Ouvrage in the Thionville sector of the Maginot Line with a total of 7 combat blocks and 1 entry block. At full strength the ouvrage contained 521 men and 16 officers. The large ouvrage is unique for having a single combined ammunition and personnel entry block.

The disposition of blocks is as follows.

Block 1: Anti-Tank block with one 47mm anti-tank embrasure, one twin machine gun embrasure and two light machine gun cupolas.
Block 2: Infantry block with one machine gun turret and one light machine gun cupola.
Block 3: Anti-Tank block with one 47mm anti-tank embrasure, one twin machine gun embrasure and two light machine gun cupolas.
Block 4: Artillery block with one 75mm gun turret, two 75mm gun embrasures, one grenade launcher cupola and one light machine gun cupola.
Block 5: Artillery block with two 75mm gun embrasures and one light machine gun cupola.
Block 6: Artillery block with one 81mm mortar turret and one light machine gun cupola.
Block 7: Fire control block with one observation cupola, one grenade launcher cupola and one light machine gun cupola.
Mixed entry: two light machine gun cupolas, 3 light machine gun embrasures and one 47mm anti-tank embrasure.

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