CBRN Defense Officer and CBRN NCO Appointment Memorandum (CBRN)

The CBRN Defense Officer and CBRN NCO appointment memorandum is an AR 25-50 compliant memorandum used to formally designate a Soldier or DA Civilian to serve as the unit's CBRN Defense Officer and CBRN NCO. It documents the appointee, references AR 350-1 (Army Training and Leader Development), and is signed by the commander.

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Regulation reference

AR 350-1 — Army Training and Leader Development (10 December 2017)

Citation: Table F-2

Proponent: G3

Grade requirement: Officer (CBRN Defense Officer) and NCO MOS 74D (CBRN NCO)

Slots: One CBRN Defense Officer + One CBRN NCO (MOS 74D)

Memo type: MEMORANDUM FOR

When is the CBRN memo needed?

Most Army units appoint a CBRN Defense Officer and CBRN NCO (CBRN) when a new commander takes charge, when the previous appointee PCSes, ETSes, or is reassigned, or when the unit's mission set changes in a way that requires renewed appointment. The memo is also required for unit inspections — including CIP, CCIR, and command climate reviews — where the AR 350-1 program is evaluated.

The appointment memorandum is the foundational document that establishes the appointee's authority under AR 350-1. Without a current, signed appointment memo on file, the unit's CBRN Defense Officer and CBRN NCO program is non-compliant — even if the appointee has all required training certificates. Inspectors will look for: a signed memo with current date, a grade that meets Officer (CBRN Defense Officer) and NCO MOS 74D (CBRN NCO), and training/certification documents matching the appointee on the memo.

On EvalMe, the CBRNmemo is one of 39 AR 25-50 templates that auto-cites the correct regulation, uses the proper format, and integrates with your unit's address book and signature blocks.

Required training for CBRN

Two-Week CBRN Defense Course

System: ATRRS (resident course)

Duration: 2 weeks

Timing: Must be institution trained or complete course prior to appointment

Frequency: One-time requirement

CBRN NCO must be MOS 74D or have completed the two-week CBRN Defense Course. Inspector validates that NCO on appointment memo has completed required training.

Documentation required on file

Appointment memo signed by commander
CBRN Defense Course certificate or MOS 74D qualification documentation

What inspectors look for

Inspector validates appointment memo and verifies that the CBRN NCO on the memo has completed the two-week CBRN Defense Course or is institution trained (MOS 74D). Memo must be signed by CDR.

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EvalMe drafts AR 25-50 compliant appointment memorandums with the correct regulation citation, address block, and signature line — free, no credit card.

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Other appointment memo types

OPSEC — OPSEC Officer / Program Manager →ATIS_TRAIN_ADMIN — ATIS Training Administrator (formerly DTMS Administrator) →UPL — Unit Prevention Leader →USO — Unit Safety Officer →EOL — Equal Opportunity Leader →UMO — Unit Movement Officer →ARMORER — Arms Room NCOIC / Unit Armorer →KEY-LOCK — Key and Lock Custodian →PSO — Physical Security Officer →CSM-SEC — Command Security Manager →CLASS-CUST — Classified Document Custodian →MAINT-O — Maintenance Officer →DISPATCH — Dispatcher →FST — Field Sanitation Team →FSO — Food Service Officer →UECO — Unit Environmental Compliance Officer →FEC — Facility Environmental Coordinator →PMC — Unit Self-Help Pest Management Coordinator →HRH — Hand Receipt Holder / Primary Hand Receipt Holder →HAZ-CERT — Hazardous Cargo Certifier →URSO — Unit Radiation Safety Officer →ASO — Aviation Safety Officer →OIC-RSO — Range OIC and Range Safety Officer →CFR — Command Family Readiness Representative →GPC_CARDHOLDER — Government Purchase Card (GPC) Cardholder →UPAR — Unit Public Affairs Representative (UPAR) →SPPM — Suicide Prevention Program Manager (SPPM) →UVAO — Unit Voting Assistance Officer (UVAO) →ATO — Anti-terrorism Officer (ATO) →TRAINING_OFFICER — Training Officer / NCO →SHARP — SHARP — Sexual Harassment/Assault Response and Prevention Program →RECORDS_COORD — Records Coordinator / Records Manager / Records Administrator →MAIL_CLERK — Mail Clerk / Mail Orderly / Official Mail Manager →HPO — Hearing Program Officer (HPO) →FIRE_WARDEN — Fire Warden / Building Manager / Evacuation Coordinator →COMSEC_CUSTODIAN — COMSEC Custodian →ENERGY_MGR — Installation Energy Manager / Energy Conservation Officer →CRIME_PREV — Crime Prevention Officer / NCO →

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