Rohrbach-lès-Bitche, Maginot Line military fort in Rohrbach-lès-Bitche, France.
Fort Casso represents an underground infantry fortification of the Maginot Line featuring three surface blocks, two designated for combat operations, and a subterranean city equipped with barracks, kitchen facilities, power plant, and telephone center for 173 personnel.
Built between 1934 and 1938, Fort Casso demonstrated remarkable resistance against German assaults in June 1940 when 175 French soldiers under Captain De St Ferjeux defended the position for several days during the German offensive.
The fort serves as a memorial to French military determination and sacrifice during World War II, representing the strategic defensive engineering developed during the interwar period to protect France from potential German invasion.
Guided tours last approximately two hours starting at 3 PM, with full admission at 6 euros and reduced rates at 3 euros for visitors under 14 years, advance reservations required through the official website, warm clothing recommended due to constant 13°C temperature.
The fort features a 135-ton turret that can be demonstrated in firing position during group visits, providing visitors with a rare technical display of Maginot Line weaponry systems.
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