How to Become a Marine Infantryman

The United States Marine Corps (USMC) is considered to be one of the finest fighting forces in the world. If you want a challenge and are physically fit, learning how to become an infantryman is valuable in the enlistment process. Read carefully to learn how to become one.


  1. 1
    Enlist in the Marine Corps. You need at least a 32 on your ASVAB (Armed Services Vocational Aptitude Battery) to become an infantryman in the Marines.
  2. 2
    Go to MEPS (Military Entrance Processing). MEPS is an extremely thorough medical check that usually lasts all day. Make sure that you ask your recruiter about the medical qualifications to enlist in the Marine Corps. Make sure that you put Infantry (0300) as your first choice in job selection for you MOS (Military Occupational Specialty).
  3. 3
    Make sure you are physically fit. The Marine Corps infantry is known as some of the best throughout the world. Make sure that you get far above the minimum physical qualifications of the IST (Initial Strength Test) of 3 pull-ups, 65 crunches, and a 12:30 1.5 mile (2.4 km) run.
  4. 4
    Excel in boot camp. The Marine Corps' boot camp is the toughest and longest of any branch in the US Armed Forces The better you do in boot camp, the better that you will do in the infantry.
  5. 5
    Attend the Marine Corps School of Infantry (SOI) for 59 days at either Camp Greiger (SOI East) or Camp San Onofre (SOI West). After you pass this, you will be a qualified infantryman in the US Marine Corps.


  • Taking advanced training while you're in the Marine Corps will help advance your career. Taking Marine Corps martial arts, attending sniper school, or attending the basic reconnaissance course will help advance your career and take you to places that not ordinary infantryman would go to normally.


  • The Marine Corps infantry is a very high risk job. Since Marines are always the leading force during a time of war, you are guaranteed to be on the front lines during combat.

Article Info

Categories: Careers in the Military