The highest-ranking personnel in the Pentagon (and, with revolution breaking out in the nation's capital, everybody was there) were immediately moved to underground bombproof shelters.

Juanita Fuller looked around the bombproof shelter at the sea of faces; there were fifty children here, and hers was the ultimate responsibility.

Heavier mortar shells could penetrate magazines and many bombproof shelters.

The fort had an outer ditch and central earthen citadel with gun positions, magazine, and bombproof shelters for the garrison.

A similar engine in a bombproof underground shelter was used to power the wartime Aspidistra transmitter.

Meanwhile the two redoubts had been very strongly built with deep and effective bombproof shelters.

Far beneath the earth, on the banks of the sacred River Alph, it forms a vast bombproof shelter.

It can work down into bombproof shelters.

The large observation panel showed all departments of my bombproof deep-sea shelter.

In preparation for the last extremity he had bombproof shelters built, trenches six feet deep and covered with timbers and two to four feet of sandbags and earth.