In the map CTF-NovemberCE2004, there is a secondary route into the base that is threw the turret on the left side as you come off the sub. There are several ways to get up onto the turret but once you are on the ledge, it is possible to crouch and get threw the gap with the flag.
As of 2/23/2005 this route may not be used in any match.
As of 2/23/2005 this route may not be used in any match.