Fabian Paques operates a Seaperch drone, one of the robots, gadgets and commercial applications on display at the Unmanned Vehicle Systems International convention in Las Vegas. (Sam Morris/Special to The Washington Times)

Fabian Paques operates a Seaperch drone, one of the robots, gadgets and commercial applications on display at the Unmanned Vehicle Systems International convention in Las Vegas. (Sam Morris/Special to The Washington Times)