while the MiG-23 proved both costly and ineffective in combat. -The U.S. Air Force’s Convair F-102 Delta Dagger suffered from dangerous safety issues, and Nazi Germany’s Heinkel He 162 was a ...

and a disappointing combat record. The American Convair F-102 Delta Dagger faced design problems and had a high accident rate. Nazi Germany's Heinkel He 162 was a rushed, poorly built jet that had ...