Entrances to Underground Bunkers kjfitz 10 years ago Underground bunkers provide safe shelter from today’s guided munitions for vehicles, portable weapons, and aircraft. © Google MapsEntrance to underground bunker © Google MapsBunker entrance © Google MapsEntrance to underground bunker © Google MapsBunker entrance © Google MapsBunker entrance © Google MapsEntrance to underground bunker © Google MapsBunker entrance © Google MapsEntrance to underground bunker © Google MapsUnderground bunker near airfield © Google MapsBunker entrances