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MNE4

Mineman

E-4 (Specialist/Corporal) · Navy

E1–E3E-4E-5E-6E-7E8–E9
HEADS UP

MN3 is the custodian rank. The crow on your sleeve means a lot number discrepancy is your name at the captain's mast, not the MNFN's who was standing next to you when it happened. The technical work deepens — assembly, test, and inspection as the accountable petty officer, not the supervised apprentice. The NEC pipeline conversation that was theoretical as an MNFN is now a concrete packet with a timeline.

The Honest MOS Read
Petty Officer Third Class Mineman (MN3) is the rank where the mine rate's accountability culture stops being something you are taught and becomes something you own. The crow on your collar means you are a named custodian on AA&E custody records. When the inspector's lot-number reconciliation finds a discrepancy, the trace goes to the last signature — and that signature may be yours. The mine rate has no mechanism for diffusing accountability across a team. The custody line is signed by a petty officer who physically verified the count. If that petty officer is you, the event is yours. Your technical work at MN3 involves the full mine assembly and fuzing-system cycle under NAVSEA OP-2173 — component identification and lot verification, assembly sequence execution, fuzing-system functional test, and documentation that closes clean at QA — performed as the accountable technician, not as the assistant watching a senior MN perform the steps. When the MN1 assigns you an assembly sequence, the expectation is that you come back with the components assembled, tested to standard, and the 3-M documentation closed with no correction required. When the test fails, the expectation is that you identify the failure mode, work the fault-isolation procedure from the technical manual, and brief the MN1 with the diagnosis and the resolution timeline — not that you report the anomaly and wait to be told what to do next. The C-school and NEC pipeline is now a real conversation, not a conceptual one. The LCPO should know your NEC preference by the time the first detailing window opens. Pull the current NAVADMIN for the MN rate's NEC source-rating codes; the version on the shared drive from two years ago may not reflect the current quota and pipeline structure. The MN community is too small for general answers like 'whatever you need' — the detailer has specific billets to fill and the petty officers who communicate preferences clearly and early get the assignments that match their interests more often than the ones who wait. The advancement pressure at MN3 is real. The NWAE cycle for MN2 advancement is competitive in a small rating. The BIB study discipline you either built or did not build as an MNFN shows clearly in your MN2 exam score. The eEVAL ranking at MN3 matters — the Mine Warfare Officer and the LCPO are writing EVAL rankings for a small pool, and the MN3 performing at the top of the section needs to be visible through work quality, AA&E accountability, and demonstrated technical competence, not just presence and effort.
Career Arc
  • 01MN3 pin-on via NWAE advancement — exam score, service-record review, NLE completion.
  • 02Independent magazine and handling-bay watch qualification within the command's expected window.
  • 03Named custodian on AA&E custody record — lot-number and component-count reconciliation at every watch relief and custody transfer.
  • 04Mine assembly and fuzing-system work as the accountable petty officer — documentation closed clean at QA without return-for-rework becoming a pattern.
  • 05NEC pipeline packet in conversation with LCPO; direction documented before first detailing window.
  • 06NWAE BIB study for MN2 advancement cycle — starting from the opening of the window, not the close.
  • 07eEVAL ranking in section that supports MP or EP recommendation; LCPO knows the MN3's number before the EVAL board reads it.
Common Screwups
  • ×Signing a custody line or a component count you did not personally verify. At MN3 this is not a junior-enlisted learning experience — it is the accountability event the JAGMAN investigates. The custody record traces to the signature; the investigation determines whether the count was verified or whether the petty officer was falsifying the record. There is no good outcome from the second answer.
  • ×Closing a mine assembly or fuzing-system inspection without completing every step in the technical manual sequence. An incomplete check is not a paperwork problem — it is the fuze anomaly that announces itself at employment or at the next technical inspection under the last signature's name.
  • ×NJP / DUI / drug pop. In the mine rate there is no large-community buffer that absorbs one incident as a statistical rarity. The CO, the Mine Warfare Officer, the LCPO, the detailer, and the senior enlisted mine-warfare community all know within weeks. The first serious disciplinary incident at MN3 usually ends the NEC pipeline conversation and may end the career.
  • ×OPSEC breach — any social media post that identifies mine configuration, stowage, component types, or operational timelines. The consequence at MN3 is the same as at MNFN, except now your name is on more accountability records and the command's response will be correspondingly more serious.
  • ×Treating the NWAE BIB as something to prepare for in the final weeks before the exam. The mine rate's small advancement slate means every exam point matters. The MN3 who starts the BIB at the beginning of the window and the MN3 who starts three weeks before the exam are distinguishable by their scores, and the advancement-slate gap between them is real.

A Day in the Life

  • 0500-0530Wake. Check overnight command message traffic — at MN3 on an MCM ship, night watch relief notes or duty-section issues may require attention before quarters.
  • 0530-0630PT formation. Ship's PT on weather decks or hangar bay for MCM; base PT facility for shore detachment. Same physical standard expected — the MN3 who fades on run days while the MNFNs keep pace is noticed.
  • 0630-0700Shower, uniform, chow.
  • 0700-0730Quarters / morning muster. LCPO passes the day's tasking. At MN3 the day's mine-assembly or maintenance assignments are yours to own — the MN1 will check in, not supervise.
  • 0730-0800Magazine safety check if the magazine was accessed since last check or on the command's scheduled cycle. Walk it against the procedure card, log temperature and humidity, verify sprinkler operability, reconcile access log. This is not the first thing you do every morning if the magazine was not accessed overnight — but it is the first thing if it was.
  • 0800-1130Main work period. Mine assembly and fuzing-system work — component pull from magazine with lot-number verification logged, assembly sequence from technical manual, functional test, 3-M documentation. Or scheduled PMS on handling equipment — winch, cradle, test set — with documentation at completion. At MN3 you own the action from start to close.
  • 1130-1230Lunch. Use some of this time — three or four days a week — to pull one BIB chapter and read it with the meal. The MN3 who builds BIB study into slack time advances faster than the one who waits for a dedicated study block that never quite materializes.
  • 1230-1500Afternoon work period. AA&E custody reconciliation if any components were handled since morning. QA submission on morning actions if documentation is complete. Continue assembly or maintenance work. Answer MNFN questions on procedures — you are a senior technician relative to them now, and the way you answer determines what kind of senior technician they become.
  • 1500-1530Tool count, work center cleanup. Close any open 3-M documentation before end of day.
  • 1530-1600End-of-day muster. LCPO notes anything carried forward. Duty section confirmed for overnight.
  • 1600-1800Liberty or duty section. On an MCM ship, duty section may include an evening magazine check if the watch standing schedule requires it.
  • 1800-2100Off-hours. BIB study if the NWAE window is open. NEC pipeline research if the detailing window is approaching. On an MCM ship underway, the watch bill may absorb part of this window.
  • 2100-2200Close out the day. Tomorrow's uniform. Check plan of the day for morning requirements. On a deployed MCM ship underway, the night watch may begin here.

Weekly Cadence

The MN3's week is anchored to the work center's assembly and maintenance schedule, the magazine access cycle, and the LCPO's weekly training and readiness milestones. Monday establishes the week — the morning muster sets the tasking, and the MN3 knows what assembly actions, PMS maintenance evolutions, and AA&E accountability milestones need to close by Friday. There is no significant variance between garrison and operational tempo in terms of what the work requires; the variance is in the level of supervision and the urgency of the timeline. When the unit is in a workup or pre-deployment cycle, the pace at MN3 intensifies in specific ways: more assembly evolutions, more handling runs, longer work days around ordnance transfers, and inspection preparation pressure. The Mine Warfare Command or Type Commander inspection team will examine the MN3's custody records, 3-M documentation, and technical-manual-compliance posture directly. The MN3 whose records are clean year-round does not need to prepare for inspection — the inspection finds what the daily routine created. The advancement window — when it opens — adds a study requirement on top of the operational load. The discipline is to treat BIB study as a daily task, not a weekend event. The MN3 who reads one BIB chapter on lunch breaks and two chapters in the evening during the window covers the entire BIB before the exam date. The one who waits for a four-day weekend to study the entire BIB at once does not cover it well and knows it by the exam score.

Key Skills — How to Drill Each

  1. 01
    Assemble, test, and inspect a mine assembly and fuzing system to NAVSEA OP-2173 and the applicable technical manual standard — component identification, lot-number verification, torque values, functional checks — without a senior MN correcting the sequence.
    Work from the technical manual, not from the sequence you remember from watching it done. The difference between a MN3 who does the job correctly and one who does it correctly and quickly is repetition under supervision — ask the MN1 for additional assembly evolutions beyond what the tasking requires whenever the work center has the time. When a functional check fails, open the fault-isolation section of the technical manual before you touch anything else; component replacement without fault isolation is how recurring failures happen on a tight supply chain.
  2. 02
    Run a magazine and handling-bay watch independently: AA&E custody control, lot-number and component accountability, sprinkler and temperature checks, access-log reconciliation — nothing left open at watch relief.
    The magazine watch relief is a formal transfer of accountability. Walk the count against the record with the oncoming watch before you sign the relief — never sign the turnover based on the previous watch's record alone. If the count does not match, both watches stay at the magazine until the discrepancy is resolved or reported. The MN3 who builds a zero-discrepancy watch relief record over a full deployment cycle is the MN3 the LCPO names when the next NEC pipeline quota comes available.
  3. 03
    Execute a PMS MRC on handling equipment — winches, cradles, assembly fixtures, test sets — and document the action in the 3-M system without a return-for-rework from QA.
    The 3-M documentation discipline builds on the MNFN habits. At MN3, the expectation is that 3-M actions close on the first submission. QA reviews for completeness of the work performed description, accuracy of the signature chain, and the match between the scheduled MRC and what was actually done. A QA return is not the end of the world — but a pattern of returns over a deployment cycle is what the LCPO notes when the EVAL board asks for distinguishing characteristics.
  4. 04
    Conduct an ordnance onload, offload, or transfer following the explosives-handling procedure under NAVSEA OP 4 / OP 5 — correct stowage, compatibility verification, hazard class, safety chain — as a participating petty officer, not just an observer.
    Ordnance handling evolutions are the highest-risk events in the mine rate's day-to-day operations. The safety brief at the start of the evolution is not a formality — it is when the responsible senior MN establishes who does what and what the safe-stop criteria are. The MN3's role in a handling evolution is to perform the assigned function with full attention and to call a stop — loudly, immediately — if anything in the evolution diverges from the procedure or the safety brief. The MN3 who calls a stop on a real safety concern and is wrong is embarrassed for five minutes. The MN3 who does not call a stop and is right is part of the accident report.
  5. 05
    Identify and report a fuzing system test failure or a handling-equipment fault at the component level with the correct technical language and the right reporting chain before the watch supervisor asks.
    When a test fails, the expected sequence is: stop the evolution, document the anomaly, work the fault-isolation procedure from the technical manual, brief the MN1 with the diagnosis and resolution timeline, and notify up the chain per the command's material casualty reporting procedures. The MN3 who brings the MN1 a diagnosis and a resolution path gets treated as a technician; the one who brings just a symptom description gets supervised through the diagnosis. Building the habit of owning the fault-isolation is the difference.
  6. 06
    Reconcile AA&E custody to lot number and component count with zero discrepancies — and report the instant a count does not match.
    The discipline is the same as at MNFN, but the stakes are higher because now you are the named custodian. Every time you accept or transfer custody, count against the record. If the number is off by one, stop and count again — twice, three times if needed. If the number is still off, report it to the MN1 immediately and do not try to 'find it quietly' before reporting. The difference between a reported discrepancy and an unreported one found at inspection is the difference between an administrative corrective action and a JAGMAN investigation with your name at the top.

Manuals & References — What Chapters Matter

  • NAVSEA OP-2173 — Mine Assembly and Handling Manual
    At MN3 you are executing these procedures as the accountable petty officer, not watching. Know the procedure sections for the mine types you work with and know the fault-isolation sections before you need them at speed. The technical manual is not optional reading — it is the standard the QA review holds your documentation against.
  • OPNAVINST 8000.16 series — Mine Warfare Policy
    The command-authority instruction your operational tasking lives inside. At MN3 you should understand why the safety procedures in your day-to-day work exist in the context of this instruction, not just what the procedures require.
  • NAVSEA OP 4 — Ammunition and Explosives Afloat; NAVSEA OP 5 — Ammunition and Explosives Ashore
    The explosives-safety governance for every handling evolution you run. The chapters covering ordnance compatibility, stowage, and handling procedures are the standard the Mine Warfare Command inspection team cites. Read the relevant sections before participating in any ordnance handling evolution, not after an incident.
  • OPNAVINST 5530.13 series — Navy AA&E Physical Security
    At MN3 you are a custodian on the record, not just a watchstander. The access-control and accountability provisions are the standards the AA&E inspection measures you against. Know them before the inspection — not during.
  • OPNAVINST 4790.4 series — Ships' 3-M Systems Procedures Manual
    The maintenance program your PMS actions close inside. The QA provisions — what a return-for-rework means, what a closed MRC needs to contain — are in this instruction. Read the QA section before your first QA return, not after.
  • NAVPERS 18068 Vol II and the current NEC source-rating NAVADMIN; NWAE BIB for the MN2 cycle
    Two separate but equally important documents. NAVPERS 18068 Vol II and the current NAVADMIN define what NEC options exist and what the pipeline requires — do not make NEC career decisions from secondhand information or outdated shared-drive versions. The BIB is the test; pull the current cycle version and build a weekly study plan from it.

Standards — How to Hit Each

  • NWAE for MN2 prep on the LCPO's timeline — the MN3 who walks into the exam cold watches the advancement slate from the handling bench.
    The small rating advancement slate means every point matters. Build a weekly BIB study schedule from the opening of the window. The mine-rate material is technical — mine fuzing systems, explosives-safety procedures, AA&E accountability doctrine, Navy personnel and administrative regulations — and requires active review, not passive reading. Use the study guide, not just the source documents.
  • Zero AA&E accountability discrepancies on any custody record you own.
    Physical count before the signature, every time. No exceptions for schedule pressure, watch-relief timing, or LCPO impatience. The discipline is absolute because the consequence of an unverified signature is absolute. Build the habit consciously and reinforce it by watching what happens to the MN3 who cuts the corner once.
  • QA-clean 3-M documentation: zero return-for-rework over a deployment or exercise cycle is the bar.
    One return patterns. The LPO who sees two QA returns from the same MN3 in a deployment cycle notes it as a documentation quality issue, not a bad day. Document at the close of each action, not at the end of the week. Include the actual work performed, not just the standard description from the MRC. When in doubt, call the QA PO before submitting.
  • At least one NEC pipeline packet in conversation with your LCPO — the MN3 without a documented direction is the billet the detailer fills, not the career the sailor builds.
    The conversation does not have to be a completed application — it is a documented preference and a timeline. 'I want the advanced mine assembly NEC at the next available C-school slot and my preferred next assignment is a MINWARCOM detachment' is sufficient. The LCPO who knows your preference can advocate at the detailing window; the LCPO who does not know does not advocate.
  • Small-arms qualification current per OPNAVINST 3591.1; PRT Good Medium or better; BCA in standard.
    Good Medium opens the EVAL worksheet conversation about physical fitness in a positive direction. Anything below Good Low starts the administrative clock. At MN3 the fitness standard is not the hardest thing you do — but it is one of the easily visible metrics the LCPO cites in the EVAL.

Technical Mistakes — Concrete Consequences

  • Closing a mine assembly or fuzing-system inspection without performing every step in the technical manual sequence.
    An incomplete or out-of-sequence check does not create a visible failure at the time of the inspection — it creates the failure at employment or at the next technical verification when the sequence gap surfaces. The documentation traces the last signature back to the MN3 who closed the action. In the mine rate, the technical manual sequence is the safety protocol; skipping a step is not an efficiency gain, it is a risk transfer onto the weapon system and the operator.
  • Signing a custody line or component count you did not personally verify.
    At MN3 this is the JAGMAN investigation trigger. The AA&E inspection finding that traces to an unverified custody signature produces an investigation that asks whether the signature was negligent or fraudulent. Neither answer produces a good outcome for the petty officer. The mine rate cannot afford the former and the Navy cannot tolerate the latter.
  • Skipping a magazine safety or sprinkler check because the schedule is tight.
    The magazine holds live mines. A missed sprinkler check is a magazine that does not have fire suppression. A missed temperature log is a magazine where a storage-temperature exceedance goes undetected. The OPNAVINST 8020.14B assessment finding under your name from a skipped check is the visible consequence — the undetectable consequence is the scenario the check is designed to prevent.
  • Running an ordnance handling evolution loose — weak safety brief, sloppy stowage verification, an unaccounted component.
    A handling evolution with a safety breach is either an incident or a near-miss. Near-misses in the mine rate produce safety investigation reports that name the responsible petty officer. Incidents produce more. The mine rate's AA&E accountability culture is not administrative formalism — it exists because the consequence of a mishandled mine assembly is measured in casualties, not inspection points.
  • Posting OPSEC-relevant content from the magazine, handling bay, or any ordnance evolution.
    Mine configurations, component types, and deployment timelines are adversary-collection targets and operational security requirements. The NJP and potential separation at MN3 are the personnel consequences. The operational security consequence — compromised mine-warfare planning or mine-laying timeline — is the reason the prohibition is absolute and the command's response is immediate.

Career Decisions at This Rank

  • NEC selection: which advanced mine rate or mine countermeasures NEC to pursue
    This is the most consequential career decision at MN3 and the one that shapes the next 8-10 years of billet options. Advanced mine assembly NECs deepen the technical credential and keep billets in MINWARCOM and weapons-station assignments. Mine countermeasures NECs open helicopter mine countermeasures detachments and potentially more operational exposure. Some MN NEC pipelines require specific prerequisite training or clearance levels; verify the current requirements from NAVPERS 18068 Vol II and the current source-rating NAVADMIN before committing. The NEC you select at MN3 is the credential that follows you to MN2, MN1, and MNC — choose based on what you actually want to do technically, not what seems most impressive on paper.
  • MCM ship vs. MINWARCOM shore detachment for the second assignment
    If the first assignment was shore-based, the question of MCM ship duty becomes relevant at the second assignment. MCM ships provide sea-duty credit, sea pay, and a direct mine-warfare operational mission with small-crew visibility. The living conditions are austere and the operational tempo is irregular. Shore assignments provide schedule stability and access to education programs. Both assignment types are required for a well-rounded mine-rate career; the question is sequencing. The MN3 who has strong NWAE scores and a clean record has more leverage with the detailer on sequencing preferences than the one whose record is undistinguished.
  • Re-enlistment decision at first enlistment window
    The mine rate's small size means the re-enlistment conversation is personal — the LCPO and the Mine Warfare Officer have a direct view of whether the sailor is worth retaining and at what NEC level. The MN3 who is performing well will typically receive a selective re-enlistment bonus (SRB) offer; verify the current SRB rates via the appropriate NAVADMIN for the MN rate's current manning priority. The decision to re-enlist is about more than the bonus — it is about whether mine warfare is a career you want to build for the next decade. The rate is demanding in its accountability culture and operationally specific enough that generic military experience does not translate seamlessly. Go in clear-eyed.

How the Seat Varies by Unit Type

  • MCM Ship (Minesweeper/Minehunter)
    At MN3 on an MCM ship, the operational reality is immediate — you are the accountable Mineman on a ship that is underway conducting mine-warfare missions, and the crew is small enough that your work is visible to the department head and the CO within the first month. Sea-duty credit accumulates, the advancement visibility from small-crew exposure is genuine, and the work is consequential. The austere living conditions and irregular operational tempo are the tradeoffs.
  • MINWARCOM Shore Detachment
    At MN3 on a MINWARCOM detachment, the work is more scheduled and the senior-enlisted density higher. The assembly and maintenance work is the same technical discipline, but the operational urgency is lower except during exercise or deployment cycles. Access to education programs and base facilities is better. The advancement competition is stiffer because more MN3s are in the pool.
  • Mine Assembly and Maintenance Facility (Naval Weapons Station)
    Mine assembly and maintenance facilities at naval weapons stations are the production line of the mine rate — where mines are assembled, tested, and certified for operational employment. The technical depth at these billets is the highest in the rate. The work is specialized, the pace is industrial, and the senior Minemen at these facilities often have the deepest technical knowledge in the community.

What Good Looks Like at This Rank

The good MN3 is the custodian the MN1 trusts with the magazine key during a workup, because the component count reconciles to the lot number at every single watch relief and the handling-bay log is walked, not pencil-whipped. Every QA submission from this MN3 closes clean on the first try. The fault isolation on a fuzing-system anomaly comes back to the MN1 with a diagnosis and a resolution path, not just a symptom description. The ordnance handling evolutions this MN3 participates in run to procedure with the safety brief executed, the stowage verified, and the count reconciled before sign-off. The LCPO does not chase this MN3 for PQS milestones, NEC pipeline conversations, or NWAE study progress. The MN3 tracks all three independently and brings status to the LCPO, not the other way around. The BIB study started at the opening of the advancement window, the NEC preference is documented, and the EVAL ranking conversation with the LCPO is not a surprise in either direction. In a community this small, the MN3 who performs at this level is already known to the Mine Warfare Officer by the second month aboard. Not in the sense of being a command favorite — in the sense that the Mine Warfare Officer has read the magazine safety logs, seen the QA submission record, and knows this petty officer's name because the accountability record is clean and the technical work requires no follow-up correction. That visibility, in a rating where the advancement slate is small and the eEVAL rankings are personal, is the difference between the MN2 slate conversation at month eighteen and the one at month thirty-six.

Preview — The Next Rank

MN2 is the senior technician rank in the mine rate's deck-plate structure. The MN2 owns a section of the assembly and maintenance workload as the senior hand — not under a supervisor, but as the technician who resolves the anomaly, diagnoses the failure, and reviews the MN3's work before QA sees it. The responsibility shift between MN3 and MN2 is the difference between executing assigned tasks and owning a section of the mission. The LPO expectation starts at MN2 in a small community. The formal LPO title may not exist until MN1, but the MN2 who has the most experience and the cleanest record will be given LPO-level responsibilities in practice — section training plans, NWAE mentoring, and mine-warfare readiness inputs for the weekly brief. The preparation for MN1 starts at MN2, not at MN1 pin-on. The Chief conversation is still years away, but the Mineman who will make Chief is distinguishable by the end of the MN2 tour. The combination of technical depth, unbroken AA&E accountability, mentorship of junior MNs, and eEVAL ranking at the top of the section pool is visible in a community this small before the anchors are earned.
FAQ

MN E4 — Frequently Asked Questions

Q01What does a E4 MN (Mineman) actually do?
You own a slice of the mine assembly and maintenance bill at your unit — assembly, test, and inspection of mine assemblies and fuzing systems under NAVSEA OP-2173 and the applicable technical manuals; scheduled 3-M maintenance on handling fixtures, winches, and assembly equipment; AA&E custody as a named custodian for your section's components; and the magazine and handling-bay watches you now stand independently.
Q02What's the most important thing to know as a E4 MN?
MN3 is the custodian rank.
Q03What does a typical day look like for a E4 MN?
Time-blocked day at the E4 MN rank tier: 0500-0530 Wake. Check overnight command message traffic — at MN3 on an MCM ship, night watch relief notes or duty-section issues may require attention before quarters, 0530-0630 PT formation. Ship's PT on weather decks or hangar bay for MCM; base PT facility for shore detachment. Same physical standard expected — the MN3 who fades on run days while the MNFNs keep pace is noticed, 0630-0700 Shower, uniform, chow, 0700-0730 Quarters / morning muster. LCPO passes the day's tasking.…
Q04What mistakes get E4 MN soldiers fired or relieved?
Signing a custody line or a component count you did not personally verify. At MN3 this is not a junior-enlisted learning experience — it is the accountability event the JAGMAN investigates. The custody record traces to the signature; the investigation determines whether the count was verified or whether the petty officer was falsifying the record. There is no good outcome from the second answer;…
Q05What career decisions matter most at the E4 MN rank tier?
NEC selection: which advanced mine rate or mine countermeasures NEC to pursue — This is the most consequential career decision at MN3 and the one that shapes the next 8-10 years of billet options. Advanced mine assembly NECs deepen the technical credential and keep billets in MINWARCOM and weapons-station assignments. Mine countermeasures NECs open helicopter mine countermeasures detachments and potentially more operational exposure. Some MN NEC pipelines require specific prerequisite training or clearance levels;…
Q06What's next after E4 for a MN (Mineman) in the Navy?
MN2 is the senior technician rank in the mine rate's deck-plate structure.
Q07What manuals and regulations does a E4 MN need to know cold?
NAVSEA OP-2173 — Mine Assembly and Handling Manual; you are the technician executing these procedures as the accountable petty officer now, not the apprentice watching.; OPNAVINST 8000.16 series — Mine Warfare Policy; the instruction your operational tasking lives inside.; NAVSEA OP 4 and NAVSEA OP 5 — Ammunition and Explosives Afloat and Ashore; the explosives-safety governance for every handling evolution you run.

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Published by the Honest MOS Editorial DeskVerified against DoD/.gov sourcesUpdated May 2026Editorial standards