UNSC Altman

"Welcome aboard, Spartans."

- Daniel Tarkin to the Alpha-Zulu Corps. The UNSC Altman is a    and served as the central hub and main headquarters for the  Alpha-Zulu Corps, an elite grouping of spartan II's and III's made to combat the Covenant in absolute dire situations following the destruction of the UNSC Hamlet in 2545.

The ship was originally captained by Yuri Demetra from 2525 till 2537 where Daniel Tarkin was promoted to commanding officer due to Demetra retirement.