vietnam staff service 2nd class ribbon was a military award of South Vietnam which was issued between the years of 1964 and 1973. The medal was awarded in two degrees and presented for exemplary service while performing military duty on the staff of a major Vietnamese military command.The Vietnam Staff Service Medal was presented in two grades for such service with the first class grade for officers and the second class for enlisted personnel.
The two different grades were annotated by border coloring on the medal’s ribbon, the first class being green and the second class blue.