Luftwaffe Air & Ground Crew 1939–45 - Robert F Stedman - Google Books

https://books.google.de/books?id=YsLvCwAAQBAJ

The Luftwaffe, honed in the Spanish Civil War, played a vital part in Germany's 'Blitzkrieg' victories in 1939-41. Badly overstretched by war on three fronts in 1942-44, it was crippled by an incompetent commander-in-chief, the losses among experienced…