Naudin has flown lifters as well as ion wind propelled flying wings for a long time. Not maybe 100% sure if all had either wires to ground or other propulsors a

Naudin has flown lifters as well as ion wind propelled flying wings for a long time. Not maybe 100% sure if all had either wires to ground or other propulsors as well. But the "world first" seems like a great exaggeration. (Edited for tone)