Something has knocked out our early warning network at the source.
After World War II most, if not all, early warning networks had been dismantled.
The WSR-57 was the first generation of radars designed expressly for a national warning network.
On the international level, the report recommends the establishment of an early warning network to identify and protect ecosystems around the world that suddenly become threatened.
Some young Edenwald residents are organized into a warning network.
These included land mines as well as farmers who might be part of an early warning network.
Five weeks earlier the attacks had begun, bypassing all of the Federation's elaborate perimeter defenses and early warning networks.
Of all the world's vulnerable regions, only the Pacific has such a warning network in place.
The fashion industry has a complicated early warning network of expert consultants who job it is to identify the sure commercial looks of the future.
Without a proper warning network, interception was very difficult.