From FOX News:
The U.S. military is calling out the "BigDogs" in addition to its big guns as it deploys more troops to fight terrorists in Afghanistan.
The BigDogs — four-legged robots that can navigate the country's treacherous terrain — and pilotless helicopters than can transport tons of supplies to very remote bases are just two of the new weapons being tested in Afghanistan.
The war zone is increasingly becoming a development laboratory for machines that don't eat, sleep, polish their boots or suffer casualties. But can they succeed where man struggles?
It takes a moment for the senses even to comprehend BigDog, a four-legged robot that vaguely resembles a headless pack animal.
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My Comment: And what is being introduced is just the first generation models. Imagine what will be available in 5 - 10 years from now.