Sir, did you know about the following?
O B K R U O X O G
ROT13 gives
B O X E H B K B T
reverse it :
G O X O U R K B O
T B K B H E X O B
TB Tiny Breach
KB
HE
XOB
could it be this is meant to identify this part of Kryptos as “standing” on its own\?
So it is a collection of puzzle pieces we do have to solve?