Forty feet beneath the frozen ground here, military controllers practice the same ritual 10 times a day as they rehearsethe launching of nuclear strikes.

The 727 was flying its authorized route and altitude at the time, according to civilian and military controllers.

Some military controllers were also used until replacements could be trained.

In contrast, Wednesday's events were observed on radar by civilian and military controllers, and evidence was recorded in radio transmissions.

That was what had made him argue with the military controllers.

hi, i'm usaaf trained, three years, and a military controller.

The Government proved it wrong, maintaining near-normal air traffic with a skeleton staff of supervisors, military controllers and other substitutes.

The agency could get military controllers, who have a head-start on training.

It is necessary for the civil and military controllers in the control centres to work in close cooperation.

In fact, the military controller had not even called the correct civilian controller to alert the F.A.A. that he was activating the training zone.