Black Mountain/Sector A

Sector A (Command, Security & Personnel) is a sector of The Descent at Black Mountain. It contains the offices of the Personnel (human resources) department, which, among other uses, is utilised by Internal Security to conduct remote psychological evaluations with cleared employees and is hence frequented by personnel, as well as the headquarters for the Raven Facility Protection Division (RFPD) garrison assigned to the whole of The Descent. Within it is contained the Sigma Unit, which itself houses the offices of Adjudication and Internal Security.