They held defense drills and used weapons he could not figure out.

At 7:30 p.m. on Nov. 14, a gigantic civil defense drill was staged.

I'd also appreciate it if the defense drills for the women and children were stepped up.

Many districts, inspired by the old air-raid scenarios, are running full-scale civil defense drills of one kind or another, often requiring evacuation.

They could undertake defense drills and acquire general military skills and discipline.

U.S. citizens should stay informed through local media about upcoming military exercises and civil defense drills that sometimes occur at short notice.

There is what's called a "civil defense drill" in Korea.

The Lethanta held a planetary defense drill, and the Krann took it as a provocation.

There were bond drives and civil defense drills and rationing.

The era of fallout shelters, civil defense drills and nuclear war survival kits followed.