The military and amphetamines have a long history. The Yanks have been using them for years. Fighter pilots using amphetamines is the most common but a recent study by the Mountain Tactical Institute reported that half of respondents admitted to using them. A recent freedom of information request, regarding the British military suggests that there has been a five fold increase in the number of failed tests for PED's, specifically steroids. A certain officer seems to condone it. I'm sure there is plenty of anecdotal stuff too. I know quite a few. personally!
Then your obviously aware of CDT