Quote Originally Posted by Steve Blair View Post
If you look at Luftwaffe doctrine from 1936, they certainly had some. They also had a very detailed system developed as early as 1917. Doesn't mean it was always used, and they did make some very poor aircraft design decisions, but the thought process was certainly there prior to 1940.

And they certainly had more extant than the AAC did.
1936? Prior to the Spanish Civil War? Why do you take that seriously?

Doesn't matter, I will look it up sometime. They surely did not pay much attention to CAS, though.