Man, I need to read the boards more often. Beaten to my favorite Harrison book 6 times. 
But I have been to the bridge! I walked across the Atlantic. 
Hurrah!
Dragons are so clever they adjust. Sheesh, wadda ya want. 
Well, we can tell you don’t, but that doesn’t mean that some of them do.
IT DOES EXIST…haha google for Sub-Global System