Helmut Jager
Jager was a retired German Air Force Lieutenant-Colonel. He served in the Cold War as a fighter-bomber and reconnaissance pilot, squadron commander and wing operations officer. He then went on to serve in the Military Attache Service. He studied Great War aviation and wrote two books on the subject in German.RCC8288 Without Flyers, No Tannenberg. Aviation on the Eastern Front of 1914. Evolution of a Critical Role for Modern Warfare (Finnegan, Bobrow, Jager)