MCO 5110.4B — index record
| Number | MCO 5110.4B |
|---|---|
| Title | MARINE CORPS POSTAL AFFAIRS AND OFFICIAL MAIL PROGRAM |
| Published | |
| Issued by | Headquarters Marine Corps |
| Status on the index | Current |
| Source index | Marine Corps Publications Electronic Library (MCPEL) |
| Index last read | October 20, 2026 |
Copied from Marine Corps Publications Electronic Library (MCPEL) (index). The publication itself is the authority; this page does not summarize or interpret it. Verify the current edition on the index before acting.
Synopsis as published on the index
This Order establishes policy, assigns responsibilities, and prescribes guidance governing Military Post Offices (MPO), Unit Mailrooms (UMR), and Official Mail Centers (OMC). This Order is in accordance with references (a) through (u).
Quoted verbatim from the Marine Corps Publications Electronic Library (MCPEL) entry (source).
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494 MCO records on the Marine Corps index. Search the full index.