I am trying to understand an ancient inscription which a French professor has translated in part as:
...et a fourni de l'aide pour tout le sejour du gouveneur Rutilius Crispinus et pour les vexillations en visite...
Which I undestand to mean in part: "...and provided help for the entire stay of governor Rutilius Crispinus and for XXX..."
but I do not understand what "vexillations en visite" are. Is a vexillation some kind of Roman cavalry unit?