Since the winter of 270, the Roman army had been occupied with repulsing a Vandal invasion at the Danube frontier.
Constantius spent much of the rest of 353 and early 354 on campaign against the Alamanni on the Danube frontier.
It probably dissolved with the collapse of the Danube frontier in 430s.
The dam was sited on the Danube frontier between the two states.
In the Danube frontier these were:
During the next decades, I Adiutrix remained in the Danube frontier.
Decius may also have taken with him troops from the Danube frontier, in order to depose Philip in 249.
In 602, Maurice again ordered his troops on the Danube frontier to winter north of the river.
This victory restored the Danube frontier, which had not been held since the days of the emperor Heraclius.
The Danube frontier had been definitively secured.