Phoenix-class colony ship

"The end of an age. Almost 140 years after they were first laid down, the last of the pre-war colony ships has finally been retired from service. The venerable Triskelion was an enduring icon of the Pax Humana, seeding nearly a dozen distinct worlds and establishing hundreds of habitation stations throughout space. Her databanks still contain entries that reference the brightest - and the darkest - years of our spacefaring history."

- Newsanchor Julita Ryba, reporting on the announced scrapping of the UNSC Triskelion.

The Phoenix-class colony ship was a classification of colony ships that were operated by both the United Earth Government and the Colonial Administration Authority. It was the most successful class of its type since the launch of the in the 24th century.