From "Mission: Impossible: The Bunker: Part 2 (#3.20)"
[the assassin Alexander Ventlos has knocked out Rollin and disguised himself as Rollin, who is disguised as a heart surgeon, in order to assassinate Rojak, whom the IMF have given a faked heart attack. Strat delivers the passwords to open the sealed doors
Ah, doctor, I'll open the doors for you. January, suborbital, denomination.
Well, Doctor, what do you think? Do you think we can make a temporary life support system?
[Ventlos merely shakes his head, as he does not know how to do Rollin's voice, and Phelps looks at him suspiciously