Some countries in that group now hold regular drills to share intelligence and practice seizures.
It's almost become a regular drill these past two days.
The students participate in regular drills during the school year, and extended training activities during the summer.
"It was just a regular drill, something we've done all the time," Holsey said.
But there seems to have been no regular drill and no manoeuvres.
At the Colony, where the sand prevented us from seeing the pool's bottom, there were regular drills to practice looking for missing children.
They hold regular small-scale drills and have worked out procedures for emergencies.
He has overseen the building of a new training center and instituted regular drills.
Certainly, I was aware of the atom bomb because we had regular take-cover drills in school.
Fire and police were not having regular drills before the emergency, and there was no meaningful protocol in place.