does vernon from seventeen have served in military or being exmpted from military dosen't he need education requirement high school diplomia or ged exam

i been curious if vernon from seventeen if he need to served i know he moved korean when 5 from nyc us i not talking citzenship education requirement snice vernon have drop out of middle school he seem elementery school graduated and need high school diplomia or have to take ged exam a high school equivalency diploma to enlist in military example sechskies leader eun ji woon study in hawaii graduated there when he return to south korea his education not recgonized and seem as middle school graduated only and he exmpted from military due lack of education requirement and other example actor jung woo sung exmpted from military due lack of education as well he drop out of high school due to family problem so he was exmpted from military due lack of education.