OB 2cm Flak is a World War II German defensive bunker located in northern France, part of the extensive Atlantic Wall fortifications. The designation 'OB' indicates it was an observation bunker, while '2cm Flak' refers to the 2-centimeter anti-aircraft artillery it was designed to house. This type of bunker was strategically positioned to provide air defense for key coastal installations and military installations along the French coastline.
The structure represents the German military engineering efforts during the occupation period, built to withstand Allied air attacks and protect nearby strategic assets.