Usmc Ssgt Promotion Board Fy19

List of United States Marine Corps MOS - Wikipedia.

The United States Marine Corps Military Occupational Specialty (MOS) is a system of categorizing career fields.All enlisted and officer Marines are assigned a four-digit code denoting their primary occupational field and specialty. Additional MOSs may be assigned through a combination of training and/or experience, which may or may not include completion of a formal school and ....

https://en.wikipedia.org/wiki/List_of_United_States_Marine_Corps_MOS.