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POMONA, CA - JUNE 05: Two-year-old Hunter Kleimo and his grandfather Mike Kleimo interact with a Clearpath Robotics robot at the Defense Advanced Research Projects Agency Robotics Challenge Expo at the Fairplex June 5, 2015 in Pomona, California. RE2 is developing these dual-arm Highly Dexterous Manipulation Systems (HDMS) to help military explosives ordnance disposal teams un-arm more and more sophisticated bombs. Organized by DARPA, the Pentagon's science research group, 24 teams from around the world are competing for $3.5 million in prize money that will be awarded to the robots that best respond to natural and man-made disasters. (Photo by Chip Somodevilla/Getty Images)

POMONA, CA - JUNE 05:  Two-year-old Hunter Kleimo and his grandfather Mike Kleimo interact with a Clearpath Robotics robot at the Defense Advanced Research Projects Agency Robotics Challenge Expo at the Fairplex June 5, 2015 in Pomona, California. RE2 is developing these dual-arm Highly Dexterous Manipulation Systems (HDMS) to help military explosives ordnance disposal teams un-arm more and more sophisticated bombs. Organized by DARPA, the Pentagon's science research group, 24 teams from around the world are competing for $3.5 million in prize money that will be awarded to the robots that best respond to natural and man-made disasters.  (Photo by Chip Somodevilla/Getty Images)