Full-time National Serviceman Lance-Corporal (LCP) Muhammad Fahrurrazi Bin Salim, 20, has been reported missing on 12 August 2012 at the Temburong training area in Brunei. LCP Fahrurrazi was the coxswain in a convoy of four boats used to support the water crossing segment of the jungle training exercise at Sungei Batu Apoi, Temburong. LCP Fahrurrazi was last seen wearing a life jacket on his boat at 7:55 am. However at 8:00 am, his boat was noticed not to have followed the convoy. The convoy turned around and found LCP Fahrurrazi's boat at 8:01am. Search operations for the missing LCP Fahrurrazi commenced immediately.

Singapore Armed Forces (SAF) search parties including naval divers supported by Republic of Singapore Air Force helicopters and assisted by the Royal Brunei Armed Forces are involved in the search operation.

All SAF training in Temburong training area has been suspended for the time being.