Hello M1* and Beren. I invite you both to take a look at this thread.
http://projectavalon.net/forum/showthread.php?t=4343
It is about the "Handbooks for the New Paradigm" series received by George Green. This is from where all the "ground crew" concept originates as well as the first impulse to create Avalon forum.
You can read them for free online. It will certainly give you the base to follow many discussion here on Avalon. Not a must, you are free to discard, but it will certainly trigger some old memories...
Namaste, Steven