The Officer Cadet School (OCS) is a military training centre that trains commissioned officers for the four branches of the Singapore Armed Forces (SAF): the Army, the Navy, the Air Force, and the Digital and Intelligence Service. Located within the SAFTI Military Institute complex in Jurong West, it has twelve wings inclusive of tri-service wings. Nine wings are named according to the NATO phonetic alphabet from A (Alpha) to E (Echo) and S (Sierra) and T (Tango), while the remaining three wings (Mids, Air and Dis) are for the Navy, Air Force, and Digital and Intelligence Service, respectively. The trainees are mostly drawn from the best performing recruits in each basic military training cohort. Trainees with outstanding performance from the Specialist Cadet School (SCS), where specialist