4821 career planner

The Marine Corps military occupational specialty (MOS) 4821 is for a Career Retention Specialist. This MOS was created in 2001 and was originally called a Career Retention Specialist (CRS). In recent years, the occupational field decided to change the name to Career Planner.

Career Planners are familiar with the reenlistment process and work within Marine Corps units. They advise the Commander on enlisted retention matters. The ranks for this MOS are MGySgt to Sgt.

The 4821 MOS is considered a non-competitive entry-level MOS. It is eligible for promotion and is subject to change based on the needs of the AR program.

Other MOSs for the Marine Corps include: 01 – Personnel and Administration 02 – Intelligence 03 – Infantry 04 – Logistics 05 – Marine Air-Ground Task Force (MAGTF) Plans 06 – Communications 08 – Field Artillery 09 – Training