Black Thursday': The bleakest day for U.S. Army Air Forces in World War II > Air University (AU) > Air University News
![Headquarter of roller and ball bearings manufacturer SKF, Schweinfurt, Lower Franconia, Bavaria, Stock Photo, Picture And Rights Managed Image. Pic. IBR-4363609 | agefotostock Headquarter of roller and ball bearings manufacturer SKF, Schweinfurt, Lower Franconia, Bavaria, Stock Photo, Picture And Rights Managed Image. Pic. IBR-4363609 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/a2a17e8ee70a9e3d803ab8a2aa00bcf2/ibr-4363609.jpg)
Headquarter of roller and ball bearings manufacturer SKF, Schweinfurt, Lower Franconia, Bavaria, Stock Photo, Picture And Rights Managed Image. Pic. IBR-4363609 | agefotostock
![The USAAF's bombing raid on the ball bearing plants in Schweinfurt, Bavaria, on 10-14-43 included 291 American bombers, of which 60 were lost and 231 returned to England either with minor damage The USAAF's bombing raid on the ball bearing plants in Schweinfurt, Bavaria, on 10-14-43 included 291 American bombers, of which 60 were lost and 231 returned to England either with minor damage](https://preview.redd.it/the-usaafs-bombing-raid-on-the-ball-bearing-plants-in-v0-x1ftmi1tato81.jpg?auto=webp&s=c98c838f6e34d54c7ce3e63fcb173335874d1397)
The USAAF's bombing raid on the ball bearing plants in Schweinfurt, Bavaria, on 10-14-43 included 291 American bombers, of which 60 were lost and 231 returned to England either with minor damage
![Rolling-element bearing manufacturer, FAG Schaeffler KG, Schweinfurt, Bavaria, Germany, Europe Stock Photo - Alamy Rolling-element bearing manufacturer, FAG Schaeffler KG, Schweinfurt, Bavaria, Germany, Europe Stock Photo - Alamy](https://c8.alamy.com/comp/BT938E/rolling-element-bearing-manufacturer-fag-schaeffler-kg-schweinfurt-BT938E.jpg)