United States Marine Corps (USMC)

Officer Job Descriptions

40 DATA SYSTEMS

MOS 4002, Data Systems Officer (I)*

MOS 4010, Data Systems Software Officer (II/III)

I - Indicates MOS suitable for assignment to unrestricted Regular/Reserve Officers.

II - Indicates MOS suitable for assignment to LDOS

III - Indicates MOS suitable for assignment to regular/reserve warrant officers

* - Indicates MOS is a "skill designator MOS" (Sub Skill)