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OPNAVINST 3400.10J — CHEMICAL, BIOLOGICAL, RADIOLOGICAL, AND NUCLEAR DEFENSE REQUIREMENTS SUPPORTING OPERATIONAL READINESS

OPNAVINST 3400.10J is listed as current Current
in the DON Issuances (DONI) catalog as of our last index refresh (2026-08-23). Status is mirrored from that catalog, re-checked weekly — every change is logged.
BranchU.S. Navy
SeriesOPNAVINST
Publication date2025-04-24 (1.3 years ago)
StatusCurrent
Proponent / OPRN9
Source of recordDON Issuances (DONI)

Download PDF Official document (DON Issuances (DONI))

Who this publication applies to

This instruction applies to all Navy shipboard, expeditionary and shore-based forces that are required to operate in a potentially high threat Chemical, Biological, Radiological, and Nuclear (CBRN) area. It is relevant to the development and employment of defensive methods and risk-reduction procedures for the mitigation of CBRN hazards utilizing components of subparagraphs 3a through 3h.

Version history

Editions we hold

Newest first. Dates are the publication dates in the official catalog. Earlier editions are kept because a copy stamped with one of them is a different document — this list is what we hold, not a claim to be complete.

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This is an unofficial index built from the public catalog. The controlling copy is always the one on DON Issuances (DONI) — verify there before citing OPNAVINST 3400.10J in an official product.