The basic training period at NSG training centre lasts for 90 days. Only those who successfully complete the entire course are inducted into the NSG and undergo nine months of advanced training. The physical fitness training comprises of 26 elements, ranging from jumping from heights to cross-country obstacle courses. The endurance test meant to gauge a candidate’s performance under stress includes martial arts, target-shooting at the end of an obstacle cross-country run. They are trained in parkour and Pekiti-Tirsia Kali, a form of martial arts from Philippines.