Unnamed Prometheus class starships
List of unnamed Federation starships of the .

Battle of Procyon V 

In an alternate timeline, occurring during the 26th century, an unnamed Prometheus-class starship participated in the Battle of Procyon V assisting the Federation in defeating the Sphere-Builders. ()

Prometheus class

de:Weitere Raumschiffe der Prometheus-Klasse
ja:名称不明プロメテウス級