8 Abandoned Radar Stations That Were Once State-of-the-Art

Between the 1930s and 1970s, billions of dollars were spent to build early-warning systems—often in the most remote parts of the world. But by the late 1980s, most of these sites had been abruptly shuttered—made increasingly obsolete by the emergence of satellite communications. Yet the hulking shells, discs, and… » 9/16/13 9:01am 9/16/13 9:01am