Yup, indeed JG 25 and JG 50, there's a typo in the John Weal book I was looking at....
..... and yes Erich, not the most succesful units ever created! I was just thinking of them from a modelling perspective, colourful crates that they were. Why do you think they were so ineffective in their designated role Erich?
And thank you all for the help, most kind!