Among the factories listed were the Regensburg Messerschmitt factory (which would be attacked at high cost in August), the "Schweinfurter Kugellagerwerke" ball-bearing factory in tandem with Regensburg and (attacked again in October and also causing heavy USAAF losses) and the Wiener Neustädter" "Flugzeugwerke" (WNF) which produced Bf 109 fighters.