Sierra 1

Sierra 1 isf a Central Security sniper team that appears in the chapter "Revelations", whose task is to support Alpha Team in securing the target apartment complex building.

Stationed on a building adjacent from the target building, Sierra 1 assists in the neutralisation of several terrorists on site. After the events of Revelations, Sierra 1 is never seen or heard again, and its fate after the rebellion of the Otani Federation is unknown.