They are, but if you pull up the videos of Big Dog and its smaller chassis-brethren, you find that they're quite a ways towards solving that problem. That havi

They are, but if you pull up the videos of Big Dog and its smaller chassis-brethren, you find that they're quite a ways towards solving that problem. That having been said: special-built inspection systems would make more sense if it's cheaper to retrofit one in than to buy a robodog.