For a closer look, click 'View Photos' at left to launch the photo gallery It will be almost silent, nearly invisible to enemy radar-and capable of dropping six powerful missiles simultaneously on a single target up to 95 miles away. But the most important feature of the DDG1000 Zumwalt, the Navy's first new destroyer in 30years, could be its versatility. The 600-foot-long ship will be just as comfortable in the deep ocean as in the mine-infested shallows of the Persian Gulf.

Nearly five years after September 11, the airline industry is finally adopting new in-flight technologies to keep planes safe from terrorists. With $110 million in grant money from the U.S. Department of Homeland Security, the Federal Aviation Administration is currently in the process of certifying two antimissile systems designed for commercial airliners. The technology uses infrared sensors to detect and track incoming missiles, then fires a laser beam to jam a heat-seeking missile´s infrared guidance system.