Starfleet Command is aware of its existence but has historically ... Originally designed for threat assessment, it got severe delusions of grandeur, took control of the Section 31 fleet, and murdered ...

Section 31's Lt. Rachel Garrett has no idea about the tragic fate that awaits her after she becomes captain of the USS ...

and has already spent a considerable stretch as a quippy operative of covert Federation intelligence unit Section 31 on “Discovery.” (Never mind that this is only her “Mirror Universe” persona, as ...