This Detroit company is tapping the auto industry to build all-American drones

Many proponents of American manufacturing talk about making cars domestically and helping the U.S. auto industry soar. In the case of Detroit-based drone startup Birdstop, that is literally the plan.  In its search for ways to better manufacture drones amid a surge of demand for domestically produced unmanned aerial vehicles, Birdstop decided to make use of one of the country’s most expansive industrial sectors. By strategically utilizing items from auto parts makers—80% of the parts for the...