Military officials at Fort Benning near Columbus in southwest Georgia are testing out a "pack-bot," to heft troopers' loads, allowing them greater mobility in the field.
Video courtesy Fort Benning PAO.
From the manufacturer, Boston Dynamics:
"BigDog is powered by a gasoline engine that drives a hydraulic actuation system. BigDog’s legs are articulated like an animal’s, and have compliant elements that absorb shock and recycle energy from one step to the next. BigDog is the size of a large dog or small mule, measuring 1 meter long, 0.7 meters tall and 75 kg weight."