Chris
This is taken from Nick B's. website.
http://www.ghostbombers.com/recon/109/nag13_1.html
In addition I actually own Barwolf's Wehrpas and can confirm, or should be able to, based on the entries that he went down on 15/6/44. I will take a look this evening.
Do you have anything else on Barwolf?
Regards
Jeremy