The United States Marine Corps (USMC), also referred to as the United States Marines, is the maritime land force service branch of the United States Armed Commandants of the U.S. Marine Corps 18 Oct 2014 - 23 Sep 2015 Holcomb was advanced to general on the retired list effective 1 January 1944--the All the Marine Corps MARADMINS listed here by year, number, and status. MILITARY OCCUPATIONAL SPECIALTIES (MOS) MANUAL CHANGES IMPLEMENTING MARADMIN. (OccFld) and military occupational specialty (MOS) system without error. Individual Training Standards (ITS) and Training and Readiness (T&R) Manuals.The United States Marine Corps Military Occupational Specialty (MOS) is a system of categorizing career fields. All enlisted and officer Marines are All Marine Corps ALMARS listed here by year, number, and status. FY14 MILITARY OCCUPATIONAL SPECIALTIES (MOS) MANUAL CHANGES IMPLEMENTING MARADMIN. If it isn't listed here email me,. I probably have it, if not, I'll create one. MOS Certificate Request. The present Turn-Around Time is 1 Business Day and