"But today for two nations at peace, keeping so many weapons on high alert may create unacceptable risks of accidental or unauthorized launch."

"We show an unauthorized launch of one of the small, warp-driven shuttles."

True, such defenses could also offer some protection against an accidental or unauthorized launch of missiles from Russia.

All the indicators remained green, and there was no sign as yet that her unauthorized launch of an auxiliary craft had been discovered.

The world should be worried about unauthorized launches whatever the source, United States or Soviet Union.

Soviet controls on unauthorized launches are known to be tighter than ours.

Even as the threat of nuclear war ebbs, the risk of accidents and unauthorized launches deserves constant attention.

Timm was only the aircraft assembler and rope cutter on the unauthorized launch.

And it could certainly stop a limited missile attack or stop missiles sent aloft in an unauthorized launch.

"Detecting an unauthorized launch in main shuttlebay."