Technology is boosting the Pentagon's power to spot and attack an elusive enemy. Some key areas:
COVERT SURVEILLANCE
Sophisticated radar-equipped planes, satellites, and unmanned aerial vehicles like Global Hawk can map terrain, find and follow moving targets, and listen in on communications
SMART WEAPONS
Guided by GPS signals, cruise missiles and "smart" bombs like JDAM can find targets in any weather, tell a tank from a tractor--and hit the right one
SHARP-EYED GROUND TROOPS
Better night-vision systems let commandos confirm terrorist camps without venturing too close, while satellite gear uploads what each team member sees to a command center
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