<p>MINDEF/SAF's early enlistment polytechnic schemes let final-year polytechnic diploma students enlist one year earlier than their cohort and have their full-time NS count towards their polytechnic's final-year internship requirement. Participating polytechnics include Singapore Polytechnic, Republic Polytechnic, and Ngee Ann Polytechnic, with tracks such as Army Engineers, Naval Warfare System Specialists (Marine Systems), Air Force Engineers, and Cyber Specialists.</p><ul><li>For final-year male polytechnic diploma students in relevant disciplines; Singapore citizens liable for NS.</li><li>SAF service is recognised as the polytechnic's final-year internship.</li><li>Commitment: the early-enlistment Work-Learn Schemes (Cyber Specialist, Naval Warfare System Specialist) combine full-time NS and regular service for up to 4 years; SPS-IC (Naval Warfare System Expert, Air Force Engineer, Army Engineers) is 5 years of full regular service.</li><li>Examples: SPS-IC for Army Engineers (Ngee Ann Polytechnic), Polytechnic Maritime WLS for Naval Warfare System Specialists (Singapore Maritime Academy–Singapore Polytechnic), Polytechnic Cyber Specialists WLS.</li></ul><p>Apply through the participating polytechnic, CMPB, or the relevant SAF service recruitment centre.</p>