OPNAVNOTE 5400.2020 — ESTABLISHMENT OF HELICOPTER MARITIME STRIKE SQUADRON SIX ONE
OPNAVNOTE 5400.2020 is listed as current Current
in the DON Issuances (DONI) catalog as of our last index refresh (2026-07-11).
| Branch | U.S. Navy |
| Series | OPNAVNOTE |
| Publication date | 2026-04-29 (0.2 years ago) |
| Status | Current |
| Proponent / OPR | DNS-12 |
| Source of record | DON Issuances (DONI) |
Official document (DON Issuances (DONI))
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Nearby in the OPNAVNOTE series
- OPNAVNOTE 5400.2017 — DISESTABLISHMENT OF CONSTRUCTION BATTALION MAINTENANCE UNIT THREE ZERO THREE AND CONSTRUCTION BATTALION MAINTENANCE UNIT THREE ZERO THREE DET PEARL HARBOR Current
- OPNAVNOTE 5400.2018 — MODIFICATION OF PLAIN LANGUAGE ADDRESS DESIGNATOR AND UNIT IDENTIFICATION CODE FOR PRE-COMISSIONING UNIT NAVY CARGO HANDLING BATTALION THREE Current
- OPNAVNOTE 5400.2019 — RENAMING OF NAVY SMALL CRAFT INSTRUCTION AND TECHNICAL TRAINING SCHOOL AND MODIFICATION OF MISSION STATEMENT Current
- OPNAVNOTE 5400.2021 — RENAMING AND REALIGNING OF NAVAL MEDICAL RESEARCH COMMAND TO NAVAL MEDICINE RESEARCH AND DEVELOPMENT COMMAND Current
- OPNAVNOTE 5400.2022 — RENAMING OF NAVY MEDICINE READINESS AND TRAINING UNIT PORTSMOUTH NH TO NAVY MEDICINE READINESS AND TRAINING UNIT KITTERY ME 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 5400.2020 in an official product.