NRM: "DARPA's most recent creation, the PET-PROTO Robot, has the capability to navigate such obstacles as climbing, jumping, and traversing a wall-to-wall hole in the floor. The company says it's designed to perform complex tasks in "dangerous, degraded, human-engineered environments;" but the possibilities of outrunning Skynet are now lower than ever."
this is the predecessor to.....METAL GEAR!
With a top speed of 3MPH, and 0.05MPH when doing anything but running straight forward.