take the train to yishun. cross the road go to bus stop B09 and
take bus 169, u will pass khatib camp, dieppe barracks and
sembawang air base, alight at bus stop B01, cross the road and walk
up transit road.
change pass at the guardhouse than go through the 2nd main gate, on
your left u will see HQ Medical Corp, at the 1st junction continue
to walk straight up, u will see the field on your left, walk
straight up u will see a SOC ground, at the SOC ground, turn to
your left and walk till u see the medical centre. 
btw, it's nee soon not ngee soon.
