Chemical, Biological, Radiological, Nuclear Defense
Marine Corps Detachment Fort Leonard Wood
Fort Leonard Wood, Missouri


Enhance operating force readiness by providing skilled Marines in CBRN Defense disciplines, while developing, sustaining, and synchronizing the doctrine, training and education continuum. 


Develop superior instructors who lead, mentor, and teach.

  • Produce state of the art instruction across career progression. (Includes training areas, facilities, and equipment “premiere CBRN Defense Training Site”).

  • Optimize Inter Service training and education opportunities.

  • Recognized as the Marine Corps’ advocate and duty expert for doctrine, training and education for CBRN Defense.

Army CBRN School

CBRN Defense Specialist Basic Course (5711) (A16T3B4)

Basic Skills - 4 weeks
Hazard Prediction - 5 weeks
Contamination Avoidance - 2 weeks
Decontamination - 1 week
Advanced - 1 week 

About the CBRN Specialist Basic Course:

CBRN Specialists train units to survive and operate in a CBRN environment, overseeing individual survival measures, unit and staff training, CBRN monitoring and survey team training, and decontamination team training. They assist CBRN Defense Officers and Chiefs in providing recommended courses of action, providing information on CBR exposure status, contaminated areas, and equipment readiness. They also oversee embarkation, operator-level maintenance, and serviceability of unit CBRN equipment and supplies.


1.  Must be a U.S. Citizen.

2.  Must possess a GT score of 110 or higher.

3.  Security requirement: Secret security clearance eligibility.

4.  Must not be color blind.

5.  Must not have any respiratory problem that prohibits a masked individual from accomplishing their assigned tasks.

6.  Must not have any known hypersensitivity to the wearing of protective clothing or immunizations.

7. Complete the Basic CBRN Defense Enlisted Course at the U.S. Marine Corps CBRN School, Ft. Leonard Wood, MO.

Duties:  For a complete list of duties and tasks, refer to NAVMC 3500.78_, CBRN Training and Readiness Manual. See also CBRN Defense Specialist 5711 MOS Road Map.

**Specialist Basic Course Highlights

Course Dates: FY23

CLASS          REPORT              CONVENE         GRADUATE  

01-23           10/05/2022        10/14/2022        02/07/2023             

02-23           01/11/2023         01/18/2023        04/18/2023                           

03-23           03/15/2023         03/24/2023        06/27/2023                           

04-23           05/24/2023         05/30/2023        08/29/2023                           

05-23           08/23/2023         08/30/2023        12/05/2023

(Course dates subject to change)

CBRN Reporting Instructions

CBRN Chief Course (SSgt-GySgt) (A16KJK4)

CBRN Administrative – 4 days
CBRN Threats, Hazards and Effects – 5 days
CBRN Planning - 17 days
Control Center Operations – 4 days

About the CBRN Chief Course:

The CBRN Defense Chief is the Senior Enlisted Advisor, assisting CBRN officers, operations officers, and commanders in planning, preparing, and supervising CBRN-related matters. They are proficient as Hazardous Material Technicians and Incident Commanders, overseeing personnel preparation, equipment placement, and CBRN center operations. They also provide acquisition support for capabilities assessment, test and evaluation, and program management.


1. Complete the CBRN Chief Course, at U.S. Marine Corps CBRN School, Fort Leonard Wood, MO.

2. Adjudicated Active Secret Clearance prior to attendance of the USMC CBRN School, Ft Leonard Wood, MO.

Duties: For a complete listing of duties and tasks, see NAVMC 3500.78_, CBRN Defense Training and Readiness Manual. See also the CBRN Chief Road Map.

**Chiefs Course Highlights

Course Dates: FY23 

CLASS          REPORT          CONVENE          GRADUATE

01-23            3/27/23          3/28/23              5/9/23

(Course dates subject to change)  

CBRN Reporting Instructions

CBRN Basic Warrant Officer Course (5702) (A16EGI4)

Marine / Army Unique CBRN Basic - 1 week

CBRN Administration - 1 week

CBRN Threats, Hazards and Effects - 2 weeks

Consolidated CBRN Basic - 1 week

CBRN Planning - 3 weeks

Control Center Operations - 1 week

About the CBRN Basic WO Course:

Chemical, Biological, Radiological, and Nuclear Defense Officers (CBRNDO) support the Commanding Officer in operational and technical functions related to CBRN and Combating Weapons of Mass Destruction (C-WMD). They provide technical expertise in managing, procuring, and distributing CBRN capabilities, planning and coordinating training, and preparing standard operating procedures. They advise commanders on their forces' vulnerability and collaborate with intelligence, plans, operations, and logistics communities to collect, evaluate, and disseminate information on enemy/adversary CBRN capabilities and threats supporting C-WMD objectives.


1. Must be a U.S. citizen. 

2. Applicants to be considered for selection as a Warrant Officer in MOS 5702 must be the rank of sergeant or above and have previously held MOS 5711/5769 or have served a minimum of 2 years in a 5711/5769 billet of which 12 consecutive months of observed fitness reports is documented.

3. SCI security clearance eligibility. Application for SSBI must be submitted prior to attendance of the USMC CBRN School, Ft Leonard Wood, MO.

4. Must not be color blind.

5. Must not have any respiratory problems that would prohibit accomplishing their assigned tasks while masked. 


Complete the CBRN Basic Warrant Officer Course, at U.S. Marine Corps CBRN School, Fort Leonard Wood, MO.


For a complete listing of duties and tasks, see NAVMC 3500.78_, CBRN Defense Training and Readiness Manual. See also the CBRN Officer Road Map.

**Basic Warrant Officer Course Highlights

Course Dates: FY23


 01-23           6/4/23              6/5/23                8/10/23

 (Course dates subject to change)

CBRN Reporting Instructions


Lodging accommodations must be reserved through Defense Travel system (DTS). If lodging is unavailable through DTS, a statement of non-availability will be generated within the system. You must obtain the statement of non-availability prior to reserving off-base lodging. DTS must be approved before checking in. Lodging

Ground Transportation:

Hertz Rental Cars 

Post Cab Company

COM: (573) 336-0111



Chemical, Biological, Radiological, Nuclear School
708 Minnesota Ave
Fort Leonard Wood, MO 65473-8963
Pass/Visitor Request (573)-596-0356/0590


CBRN School and MarineDet Locations FLW

Command Duty Officer (CDO)
COM: (573) 337-9628 or (573) 596-0131

S-1 Customer Service
COM: (573) 596-8168

Unit Readiness Coordinator
COM: (573) 596-8165

Sexual Assault Responder Coordinator (SARC):
COM: (573) 596-0186 or (573) 337-9632

Pass/Visitor Request:     
COM: (573) 596-0356/0590

COM: (573) 596-6010 or (573) 337-3542

CO 1stSgt:
COM: (573) 596-0772

CO GySgt:
COM: (573) 596-0688

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