Woah,the colour and length is really 'unacceptable',according to
their rules.
For what the army is known for is the regiment,discipline.
I doubt they wil let u keep ur current hairstyle.
if he just dye black/ natural brown, and tie it up as a ponytail,
should be not an issue liao.
if he still wanna defy instructions, be punk, act ah beng, xia
lan and kuai lan, then let the military laws handles him.