Ha, ha. You know how to hurt. Honestly, I'm not shooting for Rock Star. The whole thing looks abhorrent to me - like some early-80's Transformer kids playing "planes". My "squad" is a squad only in the loosest of senses. We fly together in FSO and sometimes in the MAs but are organized something like little to none. That's not to say there isn't talent and experience there.
I can take a "yes, you have to renounce". I just want to know if it's a requirement.
I am trying to understand your requests here. If you are asking if you need to withdrawl from your squadron, in order to fly and train with JG11, I would recommend against doing that.
Also, Tuesday's as you seem to know is squad night for the 11th, and it's not the best time for quests, in fact we operate with the roster and pre arranged additions only.
However there is nothing stopping you from finding the guys in the arena some night and tagging along. Better yet, look up
Morfiend, who is both a member of the squad, and an AH Trainer, and could certainly assist you, as could any of the trainers in the TA.
All the Best.