The Assassination of Carocius

The fall of bologne dealt a major blow to carocius legitimacy and left him vulnerable to a murderous palace coup. Alectus declared himself augustus, and the noose was pulled a bit tighter. The now practically inevitable execution of the british regime did not follow right away. After maximian's defeat, there was no concerted effort to rebuild the navy that had just been annihilated. So in the aftermath of his own victory at boulogne, some four years later, constantius still had no navy.