US military shelves Google robot plan over 'noise concerns'

The US army says it has mothballed plans to deploy a robot developed in conjunction with Google because it is "too loud". The Legged Squad Support System - referred to by some as "the big dog" - is capable of carrying 400lbs (181.4kg) of equipment over rugged terrain. But the US Marines now say its petrol-powered engine is too noisy for them to use in battle. Google has long said it planned to move away from its military contracts. 'The big dog' The LS3 was developed by Boston Dynamics - a robotics firm acquired by Google in 2013 - as part of a tie-up with the Pentagon's research arm, the Defence Advanced Research Projects Agency (Darpa). The robot can follow troops on foot through rugged terrain, carrying their gear. It can also interpret verbal and visual commands. However, after a major field trial in 2014, flaws in the robot also became apparent, according to Kyle Olson, a spokesman for the Marines' Warfighting Lab. "There was the challenge of seeing [its] potential... because of the limitations of the robot itself," he told Military.com. "They took it as it was: a loud robot that's going to give away their position.