For a different wrinkle, look at military attaches and their roles as intelligence officers. Most writers on intelligence ignore the attache field without realizing the amount of high quality intelligence attaches have provided in the past.

Truth in advertising: I was a defense attache twice and it was for me the same as getting a battalion. It was what I sought to do as a froeign area officer and intelligence officer. As a bonus, I got to spend a year with Stan

Tom