Sierra Team

"Guardians one and All"

- Ace-A220

Overview
Sierra Team was formed in conjunction to the Alpha-Zulu Corps, but prior they were dubbed Fox Team and served with the UNSC Army and specialized in Assault missions. The team was comprised of Ace-A220, Lance-A342, Otto-A444, Rufis-A291, Martin-A426, and Hunter-A427. The team has seen multiple deployments throughout the  and the Post War Era. The spartans were all pulled from the companies along with the rest of the Alpha-Zulu Corps years prior to large scale operations such as .