On this period of his life , apart from Zosimus 's aside -- see above -- the sources are entirely silent .
It is most likely that Marcianus enlisted as a common soldier which would suggest that he had to serve many years before achieving commissioned rank .
On this period of Marcianus ' life , apart from Zosimus 's aside -- see above -- the sources are entirely silent .
It is most likely that Marcianus enlisted as a common soldier which would suggest that he had to serve many years before achieving commissioned rank .