The gate was never closed from fear or against assault.

And from somewhere, he found strength, too, to slam down a final defense against the assault I was using on him.

So far, he added, the program has done no comprehensive ground tests against nuclear assaults.

But intelligent species had been known to protect their planets against assault.

The boys could use some practice against assault, however incompetent.

They had seen the rays which protected the roof of the building against assault or investigation.

It would appear that was to keep her from defending herself against the physical assault.

The people in the camp were utterly defenseless against assault from the air.

I blinked and screwed up my eyes against the assault of that brilliant sun.

These plans were extending to 1943 and to such an extent, that no effective measures against the German assault could be taken.