They will see you, a Class D, and then walk towards and open fire on you, due to the fact that all Class D are active threats.

If the player deactivates the alpha warheads in the warhead room, a telecom will orders all MTF units to go back and deal with SCP-682, two MTF soldiers, presumably members of Cloud Nine, will come through the door in the control room and another one in the pathway of Gate B. SCP WIKI SANDBOX: MTF FORCE Cloud Nine INFORMATION Cloud Nine is a Mobile Task Force squad that shows up at Gate B.

On the screen in the gate B control center it says that 'An APC is transporting cloud nine' while talking about mtf units underway to recontain scp-682 and since nine tailed fox was still within the underground part of the facility i assumed it was that one which arrived, though it could be that it was normal site securityĪt gate B ending, when You disable the alpha warheads, a mtf unit shows up behind you and shoots you shortly after the announcement even though they were supposed to retreat by the previous announcement They are the primary MTF unit encountered in SCP - Containment Breach and are comprised of nine members, each member representing and identified as one tail in the groups namesake. I searched a little and I found this on Reddit Epsilon-11, codenamed Nine-Tailed Fox, is a Task Force specializing in the protection and re-containment of SCP items kept at the site the game takes place in.

Scp containment breach nine tailed fox