OCC Field 57Marine Corps photo by Lance Cpl. Jesus McCloud. Released for public use.

MOS OCC Field 57: Chemical, Biological, Radiological and Nuclear (CBRN) Defense

For additional information, see the official Department of the Navy Headquarters Marine Corps MOS Manual:
Click here, 851 page PDF opens in a new window. Your Place to Connect & Share® with other family members with a Marine in these MOS Schools is our Official MarineParents.com MOS Facebook Group.
Specialty School Location FB Page FB Page2
5711 Chemical, Biological, Radiological, and Nuclear Defense Specialist
Ensure that their unit is always trained and prepared to handle defense against any type of CBRN attack that may occur in their area. This includes issuing and inspecting gas masks and related equipment, as well as training and preparing marines on how to use them.
Fort Leonard Wood, MO FB Page  
5769 Chemical, Biological, Radiological and Nuclear (CBRN) Defense Chief
(Ranks: MGySgt to SSgt) The CBRN Defense Chief is the Senior Enlisted Advisor and assists the CBRN Defense Officer, operations officers, and commanders in the planning, preparation, execution, and supervision of CBRN related matters including training, deployment and tactical employment of CBRN equipment, are proficient as Hazardous Materials Technician and Incident Commander for CBRN activities supporting Countering Weapons of Mass Destruction (CWMD). CBRN Defense Chiefs supervise and coordinate the preparation of personnel, equipment for movement/placement, and the establishment and operation of CBRN centers.
Not Listed    
Click the hashtag below for the Guide on this OCC in our Facebook Group.
#OccField57 includes the following MOS:
5711 Chemical, Biological, Radiological, and Nuclear Defense Specialist, MOS School:  Fort Leonard Wood, MO
5769 Chemical, Biological, Radiological and Nuclear (CBRN) Defense Chief, MOS School:  N/A
EGA Shop, purchase Marine Corps Clothing and Support Our Troops at the same time!
Marine Parents and the Marine Corps
Recruit Parents
Whats After Boot Camp
After The Corps