[5] There they were used to stage mock naval battles (naumachiae), and operated the mechanism that deployed the canvas canopy of the Colosseum.
In the civil war of 192-193, the fleet supported Septimius Severus, and, together with the classes Misenensis, it participated in the campaign against Pescennius Niger, transporting his legions to the East.
[7] The fleet remained active in the East for the next few decades, where the emergence of the Persian Sassanid Empire posed a new threat that required frequent reinforcements to be ferried.
[8] In 324 the fleet's ships participated in the campaign of Constantine the Great against Licinius and his decisive naval victory in the Battle of the Hellespont.
The following list is based on Werner Eck and Hans Lieb, "Ein Diplom für die Classis Ravennas vom 22.