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iRobot, the company that makes the Roomba and Scooba robotic floor cleaners, and John Deare teamed on R-Gator, which is designed to be a scout, perimeter guard, ammo carrier and more for soldiers in a combat zone.
The PackBot from iRobot can climb stairs and carry a camera on its arm. The robot is already being used in Iraq and Afghanistan.
The Dragon Runner, developed by Carnegie Mellon, is a four wheeled mobile ground sensor system that comes with a vehicle that can hit 20 mph, a control system and a handheld controller. The 21 pound vehicle can be activated in three seconds and can be thrown over a wall or around a corner.