Meet the Legged Squad Support System, or LS3. Developed by Boston Dynamics, it can carry as much as 400 pounds of equipment and enough fuel to walk 20 miles over 24 hours, the company says. It began a two-year testing phase in 2012 and is getting some serious work at RIMPAC under the supervision of the Marine Corps Warfighting Laboratory.
The LS3 is constantly checking its footing, making it useful in uneven terrain where a vehicle might not be. In typically funny and blunt fashion, the Marines using it in Hawaii have taken to calling it “the cow,” said Lt. Col. Charles Berry, who is leading the experiment. Three of them are on hand, allowing the troops to use at least one of them at most times.
The “cows” aren't the only robots getting use right now, however. The Marines also are testing a new “internally transportable vehicle” about the size of a small Jeep that can drive itself. Known as the “Ground Unmanned Support Surrogate,” or GUSS, it comes in handy carrying water and other equipment, but isn't able to maneuver quite as much terrain as the LS3. On the flip side, Marines are able to hop in and drive it whenever they want, or if the sensors that allow it to drive itself aren't working. It's likely attempting to ride a robotic cow wouldn't be nearly as enjoyable.
Berry said there are ongoing conversations about how the two robots can best be used. There also are concerns about relying on them too heavily — if they were to break down in a combat zone, they'd likely need to be pulled out, pushed or carried.
For now, though, the Marines are content to gather information and see what the two robotic haulers can do. And yes: That cow might not be mooing, but it is pretty loud. A unit with it won't be sneaking up on anyone anytime soon.
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