They should let him go. when he comes back from Syria, he will have more combat and battlefield experience that all the SAF scholar generals put together.
You kidding, 51 years of age?? he heard of the bountiful supply of nubile virgins, over there...& he can buy a harem of sex slaves...plus the fact, that when he die over there...he is promised more virgins..
he is already NS trained, probably complete all reservist cycles, He is already a trained soldier mah. If he is like Rambo there, the PAP can always say "See, our SAF damn power, look at this 51 year old ex SAF reservist killing tons of people over there".
That's why our leechers talk cock when they focus on the young who risk being radicalised.
Anyone who is displaced in his own country and unable to survive is a potential.