Team File - Fireteam Osiris.

The United Nation Star Council's (UNSC)/ONI's elite blackops unit of Spartan Mercs; a group of dangerous elite warriors who do the dirty-work no-one else will... The Leader: Spartan Locke, the squad-leader & a former Insurrectionist vigilante. The Charmer: Spartan Buck, former ODST and the voice of reason. The Brains: Spartan Tanaka, the team inventor and engineer. And finally, The Diplomat: Spartan Vale, the ambassador of the Humans and the Sangheili.