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TME5

Torpedoman's Mate

E-5 (Sergeant) · Navy

E1–E3E-4E-5E-6E-7E8–E9
HEADS UP

At TM2 you own a section of the AA&E record and you review TM3 documentation before it reaches QA. Your initials are now the standard that others are measured against. In a division of six to twelve TMs, a TM2 who lets the section's accountability or maintenance posture degrade is visible to the weapons officer within a week.

The Honest MOS Read
TM2 is the working senior technician of the division. The title might say 'Petty Officer Second Class' but the functional reality is that you are the LPO's bench, the TM3s' reviewer, and the custodian of record for a meaningful portion of the ship's torpedo AA&E inventory. That accountability is not symbolic — when the TYCOM inspection team pulls the custody record and finds a discrepancy, the inquiry starts with the senior custodian who signed it. The day-to-day work expands from execution to review. You still run maintenance evolutions and stand magazine watches, but you also review the TM3's MRC documentation before it goes to QA, walk the access-list and stowage-compatibility checks that confirm the TM3's magazine work was actually done correctly, and brief the section's readiness posture to the LPO at the weekly maintenance sync. The LCPO has one or two TM2s in the torpedo division; both of them are known by name to the weapons department head. The TM2 whose section consistently closes clean is the TM2 the department head mentions in the senior officer conversation. Because TM re-established in 2019, the TM2 at a fleet squadron is one of the most experienced active-duty TMs in the community by definition. The community's senior-enlisted cohort is thin — there are fewer TMCs and TMCS billets than in rates with decades of continuous operation, which means the TM2 with a competitive record can see a direct line to the Chief board that does not exist in most larger communities. That visibility cuts both ways: the TM2 who has a single documented accountability failure is also visible, and in a small community that visibility does not fade between boards. The NWAE for TM1 is no longer abstract. The advancement slate in a small community can be competitive in ways that are hard to predict — pull the current BIB from MyNavyHR, build a documented study log, and make the eEVAL ranking conversation explicit with the LCPO before the evaluation period closes. The TM2 who finds out his eEVAL ranking at the markup is the TM2 who did not have the conversation he needed six months earlier.
Career Arc
  • 01TM2 — senior custodian on the AA&E record; reviewer of TM3 maintenance and custody documentation.
  • 02Section training plan ownership — keeping TM3s and TMFNs progressing on PQS, NWAE study, and practical proficiency.
  • 03NEC awarded or in-pipeline — the C-school conversation moves from planning to execution.
  • 04Surface Warfare Specialist qualification complete.
  • 05eEVAL ranking conversation with LCPO explicit and on record before the evaluation period closes.
  • 06NWAE for TM1 — BIB study log running; in a small community the TM2 who is not advancing is visible.
  • 07Advancement to E-6 (TM1) via NWAE score plus service record review — and the Chief board enters the long-range planning horizon.
Common Screwups
  • ×Rubber-stamping TM3 maintenance or custody documentation without reading it. Your initials are the standard; the QA or AA&E inspection finding on a document you reviewed without actually reviewing is attributed to you — and in a community where everyone knows who signed what, there is no ambiguity.
  • ×AA&E discrepancy on a section you own. A single documented discrepancy on your section's custody record at TM2 is not correctable by subsequent performance; it follows you to the TM1 advancement slate and the Chief board.
  • ×NJP / DUI at TM2. The torpedo division is small enough that a Page 13 at TM2 is known at the weapons officer level within 24 hours and remembered at the Chief board for the rest of the career.
  • ×Going around the LCPO to the Weapons Officer on a readiness or personnel matter. The weapons leadership chain runs through the chief; the CMC hears about it the same day, and the Chief packet absorbs it permanently.
  • ×Letting the section's eEVAL ranking be a surprise. The TM2 who does not have the explicit ranking conversation with the LCPO before the evaluation period closes is the TM2 who discovers he is ranked below his expectation at the markup — at which point the window to change the outcome has already closed.

A Day in the Life

  • 0500-0600PT — weapons department or torpedo division. TM2 sets the pace and standard for the section.
  • 0600-0730Shower, morning meal, quarters preparation.
  • 0730-0800Divisional quarters — muster, POD, LPO assignments. TM2 receives section assignments and translates them into individual task assignments for TM3s and TMFNs.
  • 0800-1000Section maintenance execution: either running a complex MRC evolution personally or supervising TM3s executing their assigned PMS. Tool control verified before the space opens.
  • 1000-1130Reviewing TM3 documentation from the morning's maintenance: read each closed MRC card step-by-step against the original before submitting to QA. Flag discrepancies for correction before submission.
  • 1130-1230Magazine watch / accountability check if assigned or rotating. Custody turnover reconciliation, temperature and humidity log, access-list review.
  • 1230-1330Midday meal.
  • 1330-1500TMFN and TM3 training or PQS walks. Section training plan check: where is each sailor against his milestones?
  • 1500-16303-M documentation completion and submission. No-notice spot count if due this week. Access-list review.
  • 1630-1730NWAE study — 30-45 minutes. BIB reference, study log entry.
  • 1730-1900Evening meal, personal time. Underway: watch rotation shifts this block.
  • 1900-2100Duty section or evening watch rotation. Magazine custody turnover if assigned.

Weekly Cadence

The TM2's week is organized around the LPO's weekly maintenance sync and the section's internal accountability rhythm. Monday opens with the section assignments from the LCPO and the TM2's translation of those assignments into individual task plans for the TM3s. The TM2 who can tell the LCPO on Monday morning exactly who is doing what, when, and what the documentation status of last week's actions is has done the Sunday prep that the LCPO notices. Midweek is execution and review tempo — the heaviest maintenance days, the magazine checks, the 3-M documentation that needs to close before the weekly board. The TM2's job midweek is to stay ahead of the documentation rather than behind it: review TM3 work as it is completed rather than at end of day on Friday when there is no time to catch errors without delaying the submission. Friday is the accountability close-out: all maintenance actions closed and submitted, all custody records reconciled, all TM3 training milestones checked against the plan. The TM2 who walks into the weekend with a clean section state is the TM2 the LCPO is not calling on Saturday morning.

Key Skills — How to Drill Each

  1. 01
    Own a torpedo system fault from write-up through fault isolation through corrective action — system back in readiness status with 3-M documentation closing clean at QA.
    Fault isolation on a torpedo launching system is procedural, not intuitive — pull the NAVSEA technical manual for the applicable system before you start opening components. Work through the fault isolation tree in sequence; skipping steps because the symptom seems obvious is the approach that produces a second fault after the first is 'fixed.' Write the fault report using the technical manual's terminology before starting the isolation, so the documentation matches the procedure you are executing rather than the narrative you construct afterward. When the system is back up, test it to the operational requirement before closing the action — not just to 'it seems to work now.'
  2. 02
    Run the section's AA&E accountability as a senior custodian — serial-number reconciliation, access-list control, custody turnovers, and the report-it-now reflex.
    The section's custody posture is only as clean as its weakest TM3. Walk a no-notice spot count on your section's inventory at least monthly — not to catch your TM3s in an error, but to verify that the habits you think you installed are actually running. A clean spot count between formal inspections is the evidence you present to the LCPO that the section's posture is real, not performed for the assessment team. When a discrepancy surfaces, report it immediately and do the paperwork correctly — the LCPO who is told about a discrepancy by the senior custodian before the inspection team finds it is in a different situation than the LCPO who finds out from the inspector.
  3. 03
    Run a section training plan that keeps TM3s progressing on PQS, NWAE study, and practical proficiency without requiring LCPO oversight.
    The training plan is a written document, not an intention. Put the TM3's PQS target dates, NWAE study check-in dates, and qualification milestones in writing and review them at a weekly section sync. The LCPO should be able to ask you the status of any TM3's training milestones and get a specific answer — not 'I think he is about halfway through section 3.' The TM2 whose section training plan is running on paper and producing qualified TM3s on schedule earns the LCPO's trust for the more consequential personnel and readiness decisions.
  4. 04
    Review TM3 maintenance and custody documentation before QA sees it — catch the incorrect MRC step, the missing reference, the unreconciled count.
    Build a personal review standard: for every closed MRC, read each step against the original MRC card. For every custody record, verify at least a sample of serial numbers against the physical inventory rather than against the previous record. The reviewer who catches the error before QA does is the reviewer who has institutional credibility; the reviewer who signs off on errors that QA finds is the reviewer whose initials the QA officer is starting to note. Review is not a courtesy — it is an accountability function.
  5. 05
    Brief a torpedo-system discrepancy or magazine safety issue to the Weapons Officer or Combat Systems Officer in terms the watch officer understands.
    Before the brief, know three things: what the system was doing, what it should have been doing, and what the fix is with a timeline. The Weapons Officer does not need the fault-isolation narrative — he needs to know whether the system is up or down, when it will be back, and whether it affects a scheduled evolution. The TM2 who can brief that in four sentences without the LCPO translating is the TM2 the department head calls directly the next time there is a torpedo system question.
  6. 06
    Mentor TM3s and TMFNs on NEC pathway, NWAE preparation, and career planning in an honest community context.
    The honest career counseling from a TM2 includes the community context: the TM rating is small and recently re-established, the NEC pipeline is still maturing, the Chief board in this community is competitive because the bench is thin, and the TM3 who builds clean accountability habits and solid eEVAL rankings has a genuinely visible path to advancement. Do not oversell the community or undersell it — give the TM3 the picture that lets him make an informed decision about whether to re-enlist, pursue a specific NEC, or start building the service record that makes the Chief board real.

Manuals & References — What Chapters Matter

  • OPNAVINST 8000.16 series — Torpedo Systems Safety Policy
    At TM2 you own the section's safety posture. Read the sections on senior custodian responsibilities, magazine supervision requirements, and the reporting chain for safety findings — you are the person accountable for ensuring your TM3s and TMFNs are executing the safety checks correctly, not just signing off that they did.
  • OPNAVINST 8020.14B — Navy Explosives Safety Management Program, with NAVSEA OP 5 and NAVSEA OP 4
    The explosives-safety governance at the section level. Read the self-assessment provisions — these are the internal checks the inspection team expects the division to be running between formal assessments. The TM2 who can describe the section's self-assessment posture to the Weapons Officer from memory is the TM2 the LCPO trusts with the explosives-safety program.
  • OPNAVINST 5530.13 series — AA&E Physical Security
    Read the senior-custodian provisions — the access-list maintenance requirements, the spot-count procedures, the reporting obligations for discrepancies. These are not the provisions a watchstander needs; they are the provisions a section custodian owns. At TM2, you are the section custodian.
  • OPNAVINST 4790.4 series — Ships' 3-M Systems Procedures Manual
    Read the QA provisions specifically — the criteria for returning a maintenance action for rework, the documentation requirements for closed MRCs, the tool-control provisions. You are reviewing your TM3s' documentation against these standards; knowing them precisely is what makes your review credible.
  • NAVSEA torpedo technical manuals for your ship's installed systems
    At TM2 you own the technical content, not just the procedure steps. Read the system-description and fault-isolation sections, not just the maintenance procedures. The TM2 who understands why the system works the way it does can catch a fault-isolation error that a procedure-follower misses.
  • NAVPERS 18068 Vol II + current NEC source-rating NAVADMIN, and the NWAE BIB for TM1 cycle
    Pull both the Vol II entry and the current cycle NAVADMIN before counseling your TM3s on NEC choices — the pipeline has evolved since 2019 and you do not want to direct a sailor toward a NEC that has changed availability or requirements. The BIB for TM1 should be in your study rotation now, not in the month before the exam.

Standards — How to Hit Each

  • NWAE for TM1 prep on the LCPO's timeline — BIB study log the chief can see.
    Build the study schedule the week you pin TM2, not the year before the exam window opens. The small community's advancement timing can be irregular — quotas that look generous one year can tighten the next. The TM2 who has a running 18-month study log demonstrates a continuous investment in advancement rather than a reactive preparation burst.
  • Zero AA&E accountability discrepancies attributable to your section over a custody cycle.
    Run a no-notice spot count on your section's inventory at least monthly. Walk the access list quarterly against the actual personnel with access authority. Both of these are tools for finding a problem before the inspection team does — the LCPO who is informed of a discrepancy by his TM2 before the inspection is in a manageable situation; the LCPO who finds out from the inspector is in a different one.
  • Section QA rework rate at or below command average.
    Track your section's rework rate personally — not the QA officer's tracking, your own. When a maintenance action comes back from QA, read the discrepancy note and trace the error to the specific step in the review process where it should have been caught. The pattern of rework errors tells you whether your TM3s are rushing execution, whether your review is catching execution errors but missing documentation errors, or whether there is a specific type of MRC your section is consistently getting wrong.
  • NEC awarded or in-pipeline; Surface Warfare device pinned; PRT Good Medium or better.
    NEC award and pipeline status should be confirmed with the LCPO and the career counselor, not assumed from a verbal conversation at a rating day. The SWS qualification PQS should be complete — if it is not at TM2, finish it in the first three months of this paygrade. PRT Good Medium is the floor for a competitive eEVAL ranking; Outstanding opens the 'top third' conversation.
  • eEVAL trait average and ranking that supports an EP or MP — discussed with LCPO before the evaluation period closes.
    Do not let the ranking be a surprise. Have the explicit conversation with the LCPO at the six-month mark: 'Where am I ranked among the TM2s, what is the specific thing I need to do differently to move up, and what is the realistic outcome this cycle?' The TM2 who asks that question at the six-month mark has time to act on the answer; the TM2 who asks at the markup does not.

Technical Mistakes — Concrete Consequences

  • Rubber-stamping TM3 maintenance or custody documentation without reading it.
    Your initials on a TM3's closed MRC or custody record are a professional representation that you reviewed and verified the work. When QA or the AA&E inspection finds an error on a document bearing your review signature, the investigation does not end with the TM3 — it asks why the reviewer did not catch it. In a small division the answer 'I was busy' is not available; the LCPO knows whether you were busy or whether you were not reviewing.
  • Chasing a torpedo-system fault with parts replacement instead of procedure.
    An intermittent hydraulic fault on a torpedo launching system that keeps recurring after parts replacement tells the weapons officer that the fault isolation was abbreviated. The cost is the supply chain, the deferred maintenance count, and the weapons readiness brief that has to explain the same system fault three weeks in a row. The TM2 who presents a methodical fault isolation — even one that takes longer — earns more credibility than the TM2 who presents three consecutive 'fixed it, but it came back.'
  • Letting AA&E access lists or custody turnovers drift because everyone in the division knows each other.
    The OPNAVINST 5530.13 assessment specifically examines whether access lists reflect current authorized personnel — people who have transferred, been revoked, or changed billets but remain on the list are a security control failure. A stale list or a sloppy custody turnover in a small division is the finding that shows up under the LPO's name first and the TM2's name second at the investigation.
  • Cutting a corner on an ordnance handling evolution because the operational schedule is tight.
    Live torpedoes and impulse charges do not negotiate with the ops schedule. The OPNAVINST 8020.14B assessment finds the shortcut — an abbreviated safety brief, a skipped compatibility check, a handling procedure executed out of sequence — under your signature. And the consequence of getting it wrong with live ordnance is not a writeup.
  • Going around the LCPO to the Weapons Officer on a readiness or personnel issue.
    The weapons leadership chain runs through the chief. The TM2 who takes a readiness or personnel issue directly to the Weapons Officer is communicating that the chain is not working — and the CMC hears about it before the Weapons Officer has finished writing the note. The Chief packet absorbs it permanently. If the LCPO chain is genuinely broken, the remedy is a conversation with the CMC, not a workaround.

Career Decisions at This Rank

  • Chief board — is the record competitive, and what is the honest gap?
    In a small re-established community, the Chief board is competitive in ways that are hard to calibrate against larger rates. Have the explicit conversation with the LCPO: where does your record stand against the current active-duty TM2 population, what specific gaps exist, and what is the realistic timeline to close them. The TM2 who has this conversation at the TM2 two-year mark has time to build the record; the TM2 who has it at the three-year mark may not. In a small community the LCPO's honest assessment of your board competitiveness is more useful than any external benchmark.
  • LDO / CWO — Ordnance or Surface Warfare Officer path?
    The TM2 with a competitive service record — clean eEVAL profile, documented accountability discipline, NEC awarded, SWS qualified — is a legitimate LDO or CWO candidate. The ordnance LDO/CWO path aligns directly with the TM rate's technical foundation; the Surface Warfare Officer path is broader but requires a more diverse service record. Read the current MILPERSMAN articles on LDO/CWO eligibility and application requirements. Talk to a TM who went that route, or to the LDO community manager. The application process is competitive across all communities; the TM rate's small size means fewer candidates but also fewer advocates at the board.
  • Advanced NEC or schoolhouse billet — when is the right time?
    The timing for an advanced NEC C-school or a shore schoolhouse billet involves the ship's billet needs, the sea-shore rotation point, and your own timeline for the Chief board. A TM2 who takes a shore billet early removes himself from the fleet operational environment where the eEVAL bullets that matter to a Chief board are generated. A TM2 who stays in the fleet and defers shore billets risks arriving at the Chief board without the formal credentialing that advanced NECs provide. Talk to the LCPO and the career counselor about the specific timing, and pull the current NEC source-rating NAVADMIN before committing to any path.
  • Retention — stay for the Chief board or separate at the TM2 window?
    The TM2 who separates takes torpedo-systems maintenance skills, AA&E accountability credentials, and explosives-safety experience to the civilian market — naval weapons station civilian billets, defense contractor ordnance roles, and ammunition depot positions all value exactly what the TM2 has built. The honest comparison: the TM1 or TMC who separates has a materially stronger civilian position than the TM2. If the Chief board is realistic — and the LCPO's honest assessment is the input you need — the case for staying is strong in a community where the senior-enlisted pyramid is thin.

How the Seat Varies by Unit Type

  • DDG — deployment workup cycle
    The most operationally intensive TM2 environment. Workup cycle means regular torpedo-system exercises, live ordnance handling evolutions, and TYCOM assessments in close succession. The documentation and accountability requirements compress against an operational schedule — the TM2 who has built clean habits ashore executes reliably underway; the TM2 who managed by situation finds the workup cycle exposing.
  • DDG — interdeployment or maintenance period
    The maintenance period is the right time to build the section's PMS documentation quality, close out deferred maintenance actions, and run the training plan hard. The TM2 who uses the interdeployment period to get the TM3s fully qualified and the documentation posture clean arrives at the next workup period without catch-up work. The TM2 who lets the quieter tempo produce a maintenance backlog arrives at workup with a problem.
  • Shore billet — CSCS Yorktown schoolhouse
    A TM2 schoolhouse billet at CSCS Yorktown puts the sailor in the center of the TM community's institutional development. The instructors at TM 'A' School are building the first generation of TMs from scratch — the TM2 who does that work is shaping the community's culture and technical standards. The tradeoff is fewer operational eEVAL bullets and a pause in sea-billets operational experience, which the Chief board will notice. Shore billets also provide time for advanced education and PME, which can fill the gap if managed deliberately.
  • NAVSEA / TYCOM staff billet
    Staff billets provide policy-level visibility and the opportunity to influence how the TM community is resourced, trained, and developed across the fleet. The TM2 on a NAVSEA or TYCOM staff is in the room for decisions about NEC programming, C-school quota distribution, and the torpedo-systems maintenance policy that fleet TMs live under. The tradeoff is distance from the deckplate and from the operational eEVAL environment — manage it by staying current on fleet realities through deliberate contact with fleet TMs.

What Good Looks Like at This Rank

The good TM2 is the technician the Weapons Officer calls when the torpedo launching system writes up a fault 30 minutes before a scheduled live exercise, because the fault diagnosis is methodical, the 3-M documentation closes clean, and the system status is communicated in a four-sentence brief that the Weapons Officer can relay to the CO without rewriting. His section's AA&E custody reconciles to the serial number at every turnover. His TM3s' maintenance documentation comes back from QA without rework. His no-notice spot counts run clean because the TM3s under him have been trained to the standard — not managed to the standard. There is a meaningful difference, and the LCPO can tell which one it is by watching whether the section holds the standard when the TM2 is not physically present. At the NWAE window, the good TM2's BIB study log has 18 months of entries. At the eEVAL markup, the LCPO already told him his ranking at the six-month mark and he acted on the feedback. At the next torpedo division training sync, the TM3 whose PQS the TM2 has been walking is on schedule. The weapons officer does not know this TM2's name for a bad reason — and when the TM1 slate comes out, the LCPO is not surprised.

Preview — The Next Rank

TM1 is the LPO seat — the petty officer whose name the Weapons Officer says before he says the chief's, whose eEVALs pick the next advancement slate, and whose accountability posture the CO is held to when the TYCOM inspection team arrives. The technical skills from TM2 do not change, but the visibility and accountability expand dramatically. The most significant change at TM1 is the eEVAL responsibility. Writing four to six eEVALs per cycle for TM2s and TM3s is not a clerical function — it is the exercise that picks the next advancement slate for the TM community. The TM1 who writes eEVALs that accurately rank his sailors against each other and against the community standard is the TM1 the LCPO trusts with the more consequential personnel decisions. The TM1 who inflates every eEVAL to avoid hard conversations produces a slate that does not advance — and the LCPO knows whose shop produced the undifferentiated rankings.
FAQ

TM E5 — Frequently Asked Questions

Q01What does a E5 TM (Torpedoman's Mate) actually do?
You run a section of the ship's torpedo maintenance — the launching system work center, the magazine and ordnance handling program, or the torpedo test and maintenance section — and you are the senior technician who either owns the fault diagnosis or reviews the TM3's work before it goes to QA.
Q02What's the most important thing to know as a E5 TM?
At TM2 you own a section of the AA&E record and you review TM3 documentation before it reaches QA.
Q03What does a typical day look like for a E5 TM?
Time-blocked day at the E5 TM rank tier: 0500-0600 PT — weapons department or torpedo division. TM2 sets the pace and standard for the section, 0600-0730 Shower, morning meal, quarters preparation, 0730-0800 Divisional quarters — muster, POD, LPO assignments. TM2 receives section assignments and translates them into individual task assignments for TM3s and TMFNs, 0800-1000 Section maintenance execution: either running a complex MRC evolution personally or supervising TM3s executing their assigned PMS. Tool control verified before the space opens,…
Q04What mistakes get E5 TM soldiers fired or relieved?
Rubber-stamping TM3 maintenance or custody documentation without reading it. Your initials are the standard; the QA or AA&E inspection finding on a document you reviewed without actually reviewing is attributed to you — and in a community where everyone knows who signed what, there is no ambiguity; AA&E discrepancy on a section you own. A single documented discrepancy on your section's custody record at TM2 is not correctable by subsequent performance;…
Q05What career decisions matter most at the E5 TM rank tier?
Chief board — is the record competitive, and what is the honest gap? — In a small re-established community, the Chief board is competitive in ways that are hard to calibrate against larger rates. Have the explicit conversation with the LCPO: where does your record stand against the current active-duty TM2 population, what specific gaps exist, and what is the realistic timeline to close them. The TM2 who has this conversation at the TM2 two-year mark has time to build the record; the TM2 who has it at the three-year mark may not.…
Q06What's next after E5 for a TM (Torpedoman's Mate) in the Navy?
TM1 is the LPO seat — the petty officer whose name the Weapons Officer says before he says the chief's, whose eEVALs pick the next advancement slate, and whose accountability posture the CO is held to when the TYCOM inspection team arrives.
Q07What manuals and regulations does a E5 TM need to know cold?
OPNAVINST 8000.16 series — Torpedo Systems Safety Policy; at TM2 you own the safety posture of the section, not just your own watch.; NAVSEA OP 4 / NAVSEA OP 5 and OPNAVINST 8020.14B — explosives-safety governance you are accountable for at the section level.; OPNAVINST 5530.13 series — AA&E Physical Security; you own the custody program at the section level including the access-list and reconciliation provisions you enforce on your TM3s.

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