I don't think any of this is strictly cricket :-) I didn't know about that relation for "willischeck", but since both NSA and GCHQ have used this, while I don'

I don't think any of this is strictly cricket :-) I didn't know about that relation for "willischeck", but since both NSA and GCHQ have used this, while I don't recognise those covernames, I'm guessing therefore those may well be Cheltenham's, whereas U_STARBUCKS (UNITEDSTARBUCKS?) is probably Fort Meade's. Newbies need a reminder about meaningless covernames. :-)