The days of the biplane fighter were finished, the Heinkel He 51 fighter being switched to a ground attack role and later service as a trainer.
The days of the biplane fighter were finished, the Heinkel He 51 fighter being switched to a ground attack role as a trainer. The days of the biplane fighter were finished, the Heinkel He 51 fighter being switched to later service as a trainer. The Germans also quickly realized this.