As for some people who say that not tying is a special measure ... if you are willing to concentrate on military training at 5 o'clock for your hair ... you can get up at 5 o'clock and disguise your long hair as short hair ... and you are confident that it will not be discovered by instructors and teachers ... you can try your luck. ...
Final conclusion: If there are no special circumstances, you must cut your hair, but you can wait until school. You will leave half a day for a haircut before military training. ...