Recent news items herald the incredible return on investment the Ukrainian army is getting from its use of small cardboard aircraft. These literally boxy bombers are doing in Russian aircraft and possibly tanks with surprising capability. They may have had an initial inspiration in 2017. Everfly, Otherlab, and Star Simpson At the 2017 Sustainable Aviation Symposium in San Francisco, Star Simpson of Everfly, an affiliate of Otherlab, showed off a cardboard drone intended for humanitarian missions. Read about the craft, its many acronym-related affiliations, and its missions here. Ukrainians and Their Cardboard Air Force On a less humane, but equally important mission, an Australian version of the “pizza-box” technology is wreaking havoc on the Russian Air Force and even Russian tanks. The Sydney (Australia) Daily Herald reported on August 29, “Australian-made cardboard drones have been reportedly used to help bomb a Russian airfield as the Ukrainian military steps up its attacks on Russian territory.” According to the report, Sypaq drones …