OB 2cm Flak is a former anti-aircraft bunker located in northern Norway, near the Lofoten archipelago. Built during the Cold War era, it formed part of Norway's extensive coastal defense network designed to counter potential Soviet air threats. The site housed a 2cm anti-aircraft gun system, intended to protect nearby strategic installations and naval assets.
Norway's Cold War military infrastructure, including such bunkers, has recently gained renewed attention due to regional security concerns.