writes "Later this month, Carnegie Mellon University and the Defense Advanced Research Projects Agency (DARPA) will unveil the successor of the Spinner, a 7-ton unmanned robotic vehicle. Dubbed Crusher, this new 6.5-ton robot will be able to carry payloads of up to 2 tons on very complex terrains. Crusher will rely on surrounding sensors to keep its balance and learn about its environment. After intensive testings, it should start to perform its duties in 2008. Read more for additional details and pictures of Spinner and Crusher in action."
However, I can see they have not yet performed the test of having Sigourney Weaver fight a hitchhiking alien with it, which is obviously crucial to our national defense.