Neil Page wrote about this on his Falke Eins blog a few years ago:
http://falkeeins.blogspot.com/2016/1...d-alcohol.html
Pervitin (methamphetamine) was standard in aircrew survival packs in the Battle Of Britain. In Summer 1940 the Luftwaffe was also busy distributing 2,500,000 bottle of champagne amongst the Luftflotten and the RLM. I'll have something about both these things on a future update to my website.