MrSeb writes: "DARPA has released the first video of its robot Legged Squad Support System (LS3) walking untethered and in the wild. Watch in awe as a robotic quadruped scales a rocky, forested hill while carrying a heavy load on its back. The last time we saw LS3 (aka AlphaDog), back in September, it was tethered to external hydraulics. This made it impressively quiet, but obviously it couldn’t go outside. In the last few months, those hydraulics have been squeezed onto AlphaDog’s chassis, and an on-board petrol-driven motor powers the whole thing. What now follows is an 18-month testing period where AlphaDog's performance will be verified, culminating in an actual field exercise with some US Marines."
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