a decorated marine has been considered ` unfit ' to re-enlist after getting with deployment .
daniel knapp from jacksonville , north carolina , received combat medals after serving in afghanistan , but has been denied re-enlistment due to the service 's strict policy on body ink .
while the army has recently updated its policy , the marine corps introduced more stringent rules in 2010 concerning the size and placement of tattoos that knapp has fallen foul of .
societal perceptions of tattoos , writes the marine corps times .