San Diego has one of the richest aerospace heritages of any city in America. Ryan Aeronautical Co. built Charles Lindbergh’s “Spirit of St. Louis” aircraft in the mid-1920s. During World War II, Consolidated Aircraft Corp. mass-produced planes such as the B-24 Liberator and the PBY Catalina.

HARTFORD, CT—Aquiline Drones plans to ramp up production of commercial unmanned aerial systems at its factory here.

New technology is often a paradox—offering increased capability but at great expense with a long ROI.

DENVER—Autonomous Avionics has opened a new assembly plant here to make small unmanned aerial vehicles.