This June 19, 2018 photo shows a ICOR Technology Mini-CALIBER robot next to a fire investigator's truck at Municipal Services Center in Lincoln, Neb. The new nimble, black, tracked tactical robot for Lincoln's bomb squad won't move faster than 5 mph, but its operators believe it could help the squad or a SWAT team defuse tense situations faster. (Francis Gardler/Lincoln Journal Star via AP)
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