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OPNAVNOTE 5400.2030 — DISESTABLISHMENT OF MARITIME SECURITY SQUADRON FOUR DETACHMENTS

OPNAVNOTE 5400.2030 is listed as current Current
in the DON Issuances (DONI) catalog as of our last index refresh (2026-10-05). Status is mirrored from that catalog, re-checked weekly — every change is logged.

Download PDF Official document (DON Issuances (DONI))

Branch	U.S. Navy
Series	OPNAVNOTE
Publication date	2026-05-18 (0.4 years ago)
Status	Current
Proponent / OPR	DNS-12
Source of record	DON Issuances (DONI)

Changes & supplements to OPNAVNOTE 5400.2030

OPNAVNOTE 5400.2030 — RENAMING OF NAVY CYBER WARFARE DEVELOPMENT GROUP TO NAVY CRYPTOLOGIC WARFARE DEVELOPMENT GROUP Current

Records in this branch carrying the same series and number — interim changes, guidance memoranda, and unit supplements. A copy stamped with one of these is a different document from the base publication.

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Nearby in the OPNAVNOTE series

OPNAVNOTE 5400.2029 — ESTABLISHMENT OF NAVAL SUPPORT ACTIVITY MAINE Current
OPNAVNOTE 5400.2029 — SHIFT IMMMEDIATE SUPERIOR IN COMMAND OF USS GONZALEZ (DDG 66) Current
OPNAVNOTE 5400.2030 — RENAMING OF NAVY CYBER WARFARE DEVELOPMENT GROUP TO NAVY CRYPTOLOGIC WARFARE DEVELOPMENT GROUP Current
OPNAVNOTE 5400.2031 — SHIFT IMMEDIATE SUPERIOR IN COMMAND OF USS WINSTON CHURCHILL (DDG 81) Current
OPNAVNOTE 5400.2031 — DISESTABLISHMENT OF MARITIME SECURITY SQUADRON TWO DETACHMENTS Current

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 OPNAVNOTE 5400.2030 in an official product.