51.   He passed an underground bunker where six people have been living on the damp, dirt floor for more than a week.

52.   In Geneva and Basel, underground nuclear bunkers have become temporary accommodation for the refugees.

53.   In previous statements the IRA has vowed not to destroy any of its tons of stockpiled weaponry, most of it hidden in underground bunkers in the Irish Republic.

54.   In some near future, the Umbrella Corp. dominates the corporate landscape, conducting secret genetic and viral research in an underground bunker called the Hive.

55.   In the Gulf War, soldiers faced enemies in underground bunkers, which led to more research into detection and destruction techniques.

56.   Its grounds are believed to contain an underground bunker which Yugoslav President Slobodan Milosevic reportedly often uses.

57.   Its grounds are believed to contain an underground bunker that Milosevic often uses.

58.   Its grounds are believed to contain an underground bunker that Milosevic reportedly often uses.

59.   Its grounds are believed to contain an underground bunker often used by Yugoslav President Slobodan Milosevic.

60.   Lack of air can force an enemy to take off a gas mask, halt engines and shut down an underground bunker.