The full article can be found here. http://motherboard.vice.com/read/marilyn  

And for the particulars of their target drones. 

The OQ-2 was a simple aircraft, powered by a two-cylinder two-cycle piston engine, providing 6 horsepower (4.5 kW) and driving two contra-rotating propellers. The RC control system was built by Bendix. Launch was from a conventional runway, and recovery was either by returning to the runway or by parachute.

The OQ-2 led to a series of similar but improved variants, with the OQ-3 / TDD-2 and OQ-14 / TDD-3 produced in quantity. A number of other target drones were built by Radioplane and competing companies during the war, most of which never got beyond prototype stage, which accounts for the gaps in the designation sequence between "OQ-3" and "OQ-14".

After WW2 ended various experiment were done with Radioplane target drones. In one experiment in 1950 a derivative of the QQ-3 Radioplane drone was used to lay military communication wire.

During the war Radioplane manufactured nearly fifteen thousand drones. The company was bought by Northrop in 1952.