The AAD Endurance SRN-890-A was the flagship of the 21st Fleet. It was an Andromeda II-class Assault Dreadnought. During the Great Fleet Massacre it went missing, only to be found caught in a black hole many years later.
- Fleet Admiral Elizabeth Alycin Young
- Acting Fleet Captain Naomi Aryalakota Kaylee Skyhawk
- Acting Captain Fell Mike Skyhawk