A military bunker located in Switzerland, a country renowned for its extensive network of nuclear shelters and civil defense infrastructure. Switzerland has long maintained one of the world's most comprehensive bunker systems, with laws requiring every citizen to have access to a protected space in case of nuclear or conventional attack. The OKP bunker is part of this national network, reflecting Switzerland's commitment to civil protection and its unique policy of permanent preparedness.
These structures are typically built to withstand blast and radiation, and are integrated into both public buildings and private homes across the country.