I am fascinated by the concept of the high altitude bomber. At first it seems a clear concept: a bomber so high it is difficult to shoot down by interceptors or anti-aircraft guns. The most famous one is probably the Junkers Ju 86 which was used in small numbers as a recon and as a bomber. But...
I am a big fan of the Hs 123. Even though few were built they served in WW2 under the harshest conditions until 1944. They were simple rugged low flying ground support aircraft though initially used as a dive bomber.
Its armament was a single 250 kg bomb underneath the fuselage or four 50 kg...