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AGE4

Aerographer's Mate

E-4 (Specialist/Corporal) · Navy

E1–E3E-4E-5E-6E-7E8–E9
HEADS UP

AG3 is the petty officer who owns the watch between the apprentice observer and the working forecaster. The NWAE for AG2 is the immediate gate — but the NEC conversation is happening at the same time. Pull the current NAVADMIN for the AGW NEC pipeline and the current NPC detailing page before you fall in love with a career plan from scuttlebutt. The detailer does not wait.

The Honest MOS Read
Aerographer's Mate Third Class (AG3, E-4) is the petty officer in the middle of the watch — senior to the AGAN who is learning to take observations, junior to the AG2 who owns the forecast product, and accountable for the section of the watch bill that runs between those two realities. The flight schedule brief is the forcing function that shapes every hour of the AG3's watch rotation. A carrier air wing launches 60 aircraft on a single event; the flight-weather brief the AG2 delivers draws on the synoptic analysis you produced, the model guidance package you pulled, and the divert-field forecast you drafted under review. If the sounding has a bad mandatory level or the analysis has a misidentified front, the AG2 finds it before the brief goes out — and the debrief happens at the next section sync. At a METOC detachment or shore-based weather office, the AG3 operates in a more structured training environment where the forecaster-under-instruction assignment is explicit. The duty AG2 assigns you a morning analysis, walks you through the model guidance assessment, asks you why you placed the frontal boundary where you did, and signs the product before it goes out. This is where you build the synoptic pattern recognition that will make you an AG2 who can hold the watch solo during a significant weather event — or the AG3 who plateaus at observation-certification competency because the training dialogue never pushed past the surface. Shipboard aerology at the AG3 tier places you in a small division where your billet visibility is immediate. On a deploying DDG or LPD with an AG1 and two AG3s, you are the bench the AG1 leans on during the long-range deployment planning brief and the operational forecast brief for the ship's routing officer. You stand the flight-brief and ship-routing weather brief rotation. The section officer sees your product before it reaches the captain. A misidentified frontal position that drives the routing officer to route around the wrong side of the system — into the heavier sea state, away from the usable corridor — is the AG3's forecast consequence and it arrives with the ship's turn into the weather. The NEC conversation is becoming concrete at the AG3 tier. The AGW (aerographer/weather forecaster NEC) is the primary operational forecasting identifier in the rating and the NEC that opens the working-forecaster billet assignments at METOC detachments and fleet weather support elements. Oceanography-support NECs within the NAVMETOCCOM enterprise also exist but are less visible at the AG3 level. Pull the current NAVADMIN for the AGW NEC pipeline parameters and the current NPC detailing guidance before you sit with the career counselor — the source documents change, the scuttlebutt does not update. The NWAE for AG2 is no longer abstract. The AG3 who starts the BIB at the 18-month mark is behind the curve. The NWAE FMS combines exam score with eEVAL ranking, time-in-rate, awards, and education. The LCPO who builds the section's advancement prep plan is working off a documented study log, not an intention. The AG3 who walks into the exam cycle with a three-binder BIB study package and an eEVAL that reads 'EP' from the section ranking is the AG3 who advances. The AG3 who plays catch-up in the final month watches the slate.
Career Arc
  • 01AG3 pin-on via NWAE under the Navy Enlisted Advancement System — FMS combining exam, eEVALs, TIR, awards, education.
  • 02Watch-bill certification as duty forecaster under instruction — synoptic analysis, model guidance assessment, preflight brief under AG2 review.
  • 03Preflight weather brief certification — cleared to brief aviators under supervision, product cleared without AG2 rewrite.
  • 04Rawinsonde sounding sequence ownership — solo from balloon prep through data QC and product dissemination.
  • 05AGAN training certification — sign-off authority for surface observation encoding and rawinsonde launch procedures.
  • 06AGW NEC pipeline conversation with the LCPO and career counselor — packet parameters, school date, follow-on billet alignment.
  • 07NWAE BIB for AG2 opened and study log documented on LCPO's timeline — the exam is the gate to the working-forecaster tier.
Common Screwups
  • ×Briefing a model-guidance solution as the forecast when the observed synoptic trend is clearly diverging from the model. The ship routes into the heavier sea state or the aircraft launches into worse icing than briefed, and the post-incident review pulls the product with the AG3's name on the analysis. Model guidance is a tool; the AG who stops reading the sky and the synoptic analysis becomes a model printer with a crown on his sleeve.
  • ×Going around the duty AG2 to the flight-operations officer or ship's OOD with a weather call. The met chain runs through the senior AG on watch. The OIC hears about it before the next brief rotation and the pattern shows on the eEVAL.
  • ×Closing an instrument maintenance action on the log without performing every step. A barometer with an uncorrected offset produces systematic errors in every surface observation the section certifies under that instrument until the next calibration audit finds it. The audit traces the gap to the maintenance log signature.
  • ×Letting the NWAE BIB study log drift because the watch bill is busy. The AG3 who emerges from a deployment without a documented study advancement is the AG3 who watches the AG2 advancement slate from the watch bill while the AG3 who kept the study log gains the FMS points from the eEVAL ranking that comes with visible advancement preparation.
  • ×NJP, DUI, or financial mismanagement. A small rating with a tight community means the read travels fast. The AGW NEC pipeline, the C-school selection, and the career track that the LCPO is building for you end on the same day the NJP is entered.

A Day in the Life

  • 0500-0600Wake up. Quick check of the weather station status remotely if the duty section has remote monitor access — any sensor alarms overnight, the observation the 0000Z watch produced, anything the LCPO flagged for follow-up. PT gear on, drive or walk to the section gym.
  • 0600-0700Command PT or section PT. At AG3 you are often running the section PT block for the AGANs if the AG2 is on leave or on watch. Set the pace. PRT standard at Good Medium going to Good High — the petty officer who runs with the junior sailors sets the standard they train to.
  • 0700-0800Hygiene, chow, change into utilities. Pre-watch turnover: review the off-going duty section log, check overnight METAR corrections, confirm rawinsonde schedule for the day's assigned soundings, walk the instrument maintenance log for actions due today.
  • 0800-0830Quarters. LCPO reads the plan of the day. The AG3 briefing slot at quarters is the observation and sounding schedule for the day — confirm the timeline, the AGAN assignment, the AG2 review schedule for the morning model analysis.
  • 0830-1000Morning model guidance pull and synoptic chart analysis under duty AG2 review. Pull the model fields the AG2 specified the previous day — surface analysis at 24/48 hr, 850/500/250 mb prognosis, satellite imagery in visible and water vapor channels. Plot the surface chart from the 0000Z or 0600Z synoptic reports, draw the analysis, identify the features. Walk the analysis with the AG2 before the brief package goes to the section officer.
  • 1000-1100Rawinsonde sounding if assigned — balloon prep, radiosonde initialization, pre-launch checks, launch, track, mandatory-level logging, post-burst QC, dissemination. Concurrent with sounding: AGAN observation supervision if an AGAN is on the observation schedule and is not yet fully certified.
  • 1100-1130Preflight brief package assembly for the afternoon flight-ops brief — ceiling and visibility at destination and divert fields, icing levels, turbulence, convective outlook, NOTAMs affecting the route. If certified for supervised delivery, draft the brief and submit for AG2 review before noon.
  • 1130-1230Chow. Eat with the other AG3s and AG2s — not with the LPO section yet, but not eating in the observation room anymore either. Controlled-instrument check (for stations with barograph / hygrothermograph autographic recorders) and PMEL tickler review during the pre-chow five minutes.
  • 1230-1400Afternoon brief delivery if on the rotation, followed by brief debrief documentation. PMEL maintenance actions for the afternoon block. AGAN PQS sign-off sessions — have the WMO present-weather table in hand and make the AGAN demonstrate the encoding standard before signing.
  • 1400-1530Section training or NWAE study block. Section training might be a model guidance interpretation drill the AG1 or AG2 runs, an observation quality check exercise, a rawinsonde data QC review session. NWAE study block is 45 minutes minimum — BIB chapter for the current study plan, rate manual section, margin notes.
  • 1530-1600Afternoon synoptic observation (1800Z SYNOP for assigned stations). Observation encoded, reviewed, transmitted. Instrument maintenance log signed for any actions completed during the afternoon block.
  • 1600-1630End-of-watch turnover. Observation log closed, rawinsonde records filed, instrument status documented, PMEL overdue action log clean (it had better be), duty forecaster briefed on any ongoing weather features that the overnight watch needs to monitor.
  • 1630-1800Released. Most days. Field deployments, underway periods, air wing surge operations, and standing duty change this window by hours or days. PRT prep, gym, personal time.
  • 1800-2100Personal time. NEC packet research at the desk — NAVPERS 18068 NEC section, current NAVADMIN for the AGW pipeline, NPC detailing website for METOC billet assignments. NWAE study block at the kitchen table — the 45-minute study session that happens four nights a week is how the advancement slate happens.
  • 2100-2200Brief package prep for the next day's morning brief if the morning shift starts before 0800. Tomorrow's observation schedule and sounding assignments confirmed. Pre-launch prep for the 0600Z sounding if assigned to the early watch rotation.
  • 2200Lights out. 0500 tomorrow.
  • Underway / deployed (shipboard aerology division or METOC detachment in the field)The AG3 is on a two- or three-section watch bill with the other AGs. Every synoptic observation goes; every assigned sounding launches; the brief package for the captain's morning brief is on the duty AG1's desk before the brief window. The AG3 who can hold the watch section independently during a significant weather event — the kind of night when the squall line is tracking toward the operating area and the AG1 is in the OIC brief — is the AG3 who has the watch certification conversation at the next section sync.

Weekly Cadence

The Mon-Fri rhythm at AG3 runs on the section officer's plan of the week and the observation schedule simultaneously. Monday is planning day — the LCPO's plan of the week confirms the training blocks for AGAN PQS sign-offs, the model guidance training sessions the AG2 is running for the AG3 forecaster-under-instruction cohort, the instrument maintenance schedule, and the NWAE study-time allocation for the section's advancement candidates. The AG3 starts Monday knowing the week's observation assignments, the sounding schedule, the brief rotation, and the maintenance actions due by Friday. Tuesday through Thursday are the operational core. The synoptic observation schedule runs at the WMO times — nothing moves those windows. Sounding launches run on the command's schedule. The morning model analysis and brief package are the AG3's primary professional product for every watch day. Section training runs on the days the LCPO blocked for it — typically a model interpretation session or an observation quality exercise two afternoons per week. The AG3 who brings a question from the previous day's brief verification back to the training session earns more training investment from the AG2; the AG3 who sits in the back of the training room and does not engage earns less. Friday is close-out and next-week planning. The LCPO walks the instrument maintenance log for the weekly readiness brief; the section officer confirms the next week's training and brief rotation; the AG2 reviews the week's brief verification data at section sync to identify pattern-recognition gaps in the AG3 forecast skill. Field deployments and underway periods erase the Monday-Friday structure entirely — the observation schedule and the brief rotation are the calendar, and the NWAE study block is what fits into the 45 minutes between the end of watch and lights out.

Key Skills — How to Drill Each

  1. 01
    Produce a surface and upper-air analysis at the apprentice forecaster level — identify fronts, troughs, jets, and significant weather, and brief the analysis to the section officer or duty AG2 without misidentifying a major feature.
    Build the analysis in sequence: isobar analysis first, then the thermal and moisture fields, then the frontal analysis. A front goes where the baroclinic zone is — the temperature and dew point gradient across the boundary, the wind shift, the pressure trough. A front does not go where you think it should be based on a climatological expectation. When you are done with the analysis, brief it to the duty AG2 before you present it to the section officer — let the AG2 find the misidentified boundary in the section, not the section officer in the brief. Ask the AG2 specifically whether the model guidance agrees with your analysis and, if not, which you think is more likely to verify — that question is the one that separates the AG3 building forecast skill from the AG3 who is just plotting the model printout.
  2. 02
    Prepare and deliver a preflight weather brief for aviators under AG2 review — ceiling, visibility, significant weather, winds at multiple levels, icing, turbulence, convective risk, and the NOTAMs that affect the route.
    The preflight brief is a decision-support product, not a weather report dump. The aviator does not need every field in the model output — she needs the ceiling trend at the destination and the primary divert, the icing level and intensity on the route, whether the squall line will be east or west of the recovery field at the estimated arrival time, and whether the wind aloft will make the fuel burn work. Build the brief in the order the aviator thinks about the mission: departure, route, destination, divert, contingency. Have the AG2 review the product before it goes to the flight-ops officer. After the brief, request the pilot debrief — what did the weather actually look like versus the forecast, and where was the brief accurate versus where was it off. The AGs who get better at briefing are the ones who close the debrief loop every time.
  3. 03
    Run the rawinsonde sounding sequence solo from balloon prep through data QC and product dissemination on the METOC dissemination system.
    Solo ownership of the sounding means the AG3 does not wait for the AG2 to catch a data quality problem — she catches it herself. Pre-launch: radiosonde initialization surface values versus the collocated station observation (temperature within 0.3°C, dew point within 0.5°C, pressure within 0.3 hPa). During the ascent: monitor mandatory levels in real time and flag any anomalous data rate before the balloon reaches that level. Post-burst: QC the sounding data against the surrounding station analysis — a 500 mb temperature that is 8°C colder than the regional analysis without a confirmed cold pool is a data quality flag, not a discovery. Transmit the QC'd sounding through the METOC dissemination system and document the transmission time and any QC flags on the section log.
  4. 04
    Operate the METOC workstation suite — model guidance products, satellite imagery analysis, radar interpretation — and distinguish a model-guidance solution tracking reality from one that has gone off the rails.
    Model guidance comparison skill is built by looking at the previous 24-48 hour model guidance versus the observed analysis every shift. The 500 mb 24-hour forecast from yesterday's 1200Z run versus today's 1200Z observed 500 mb analysis — did the model capture the trough position, the jet max location, the thermal gradient across the front? Where it did not, why not — was the initial data sparse over a data-poor region, did the model have a known bias in the verification region for that pattern type? The AG2 who reviews your model guidance assessment wants to know whether you understand why the model may be wrong, not just whether you can read the model printout.
  5. 05
    Perform and log all PMEL-scheduled and periodic maintenance on the weather station's instrument suite, correcting discrepancies before the AG2 has to find them.
    Own the instrument maintenance schedule at the AG3 level means proactive, not reactive — the PMEL calendar is posted at the start of every week and the AG3 whose actions are all current by Friday is the AG3 the LCPO trusts with the senior-maintenance certification. When a discrepancy appears — a barometer zero error outside tolerance, an anemometer bearing that sounds different from last month — document it, flag it to the duty AG2 before the next certification, and track the resolution. The AG2 who discovers a discrepancy on the instrument that the AG3 certified as current last week has the conversation about why the AG3 did not catch it. That conversation shows up in the eEVAL.
  6. 06
    Train an AGAN on surface observation encoding and rawinsonde launch procedures — and certify their product against the WMO standard, not just a head nod.
    Your sign-off on the AGAN's observation certification means the AGAN's METAR transmissions are now certified under your name in the section log. Before you sign: drill the AGAN on the present-weather table from WMO-No. 49, watch her take five consecutive observations in your presence with you correcting in real time, then watch five more with correction afterward rather than in real time. If the AGAN cannot identify the present-weather code for moderate continuous rain with mist correctly from memory, the observation certification is not ready. The AG2 who reviews the AGAN's first solo METARs after you certify is checking whether your certification standard is real or optimistic. Your certification standard is your professional brand.

Manuals & References — What Chapters Matter

  • OPNAVINST 3140.1 — Aerology
    At AG3 you own the specific support requirements and observation standards your billet is responsible for — not as background knowledge but as the document you quote back when the section officer asks why a product is formatted a specific way or why the observation window is non-negotiable. Read the sections on aviation weather support requirements and ship routing weather support requirements before your first deployed weather brief.
  • NWP 1-03.1 — Meteorological and Oceanographic Operations
    The doctrine that frames why the fleet commander cares about the product you produce. At AG3 you are beginning to brief products directly to operational consumers — flight operations officers, routing officers, commanding officers. The AG3 who understands the operational context of METOC support briefs better and defends the product quality standard more credibly than the AG3 who thinks she is filling in weather forms.
  • WMO Technical Regulations, Volume I (WMO-No. 49) and WMO Guide to Meteorological Instruments and Methods of Observation (WMO-No. 8)
    At AG3 you certify observations and instruments — your sign-off is the standard for the AGANs you qualify. The WMO-No. 49 present-weather table and the METAR encoding standards are the documents you quote when you correct an AGAN's encoding error. WMO-No. 8 is the instrument reference you read before you sign a maintenance action on a calibration-tracked instrument.
  • FNMOC / NAVOCEANO publicly released product guides for the operational forecast workstation your command runs
    The model guidance products the AG3 pulls for the duty AG2's morning analysis have documentation — the FNMOC product catalog, the GFS and Navy model guidance specifications, the satellite imagery interpretation guides. The AG3 who has read the model documentation knows what the model is actually computing versus what the display shows; the AG3 who has not read it knows only what the screen looks like. The model-guidance assessment skill that separates the AG3 from the AGAN is built on the underlying documentation.
  • AG Rate Training Manual (NAVEDTRA) and the current AG2 Bibliography for Advancement (BIB) from MyNavyHR
    Pull the current BIB — not the prior-cycle version, the current one. Build a study log from it with milestones: BIB chapter by chapter, rate manual sections corresponding to each chapter, practice questions from the NETC study guides. The NWAE FMS is built across the whole cycle, not in the last 30 days. The AG3 who shows the LCPO a documented study log at section sync earns the allocated study time on the watch bill.
  • NAVPERS 18068 series and the current NEC source-rating NAVADMIN for the AGW and relevant METOC NECs
    Read the NEC entries for AGW and the oceanography-support NECs before any pipeline conversation with the career counselor. The current NEC source-rating NAVADMIN (published periodically by NPC) describes the current selection parameters, eligibility requirements, school dates, and billet distribution. The AG3 who walks into the career counselor meeting without having read the source documents is working off scuttlebutt.

Standards — How to Hit Each

  • NWAE for AG2 prep on the LCPO's timeline — the AG3 who walks into the exam cold watches the slate.
    Build a study log in a dedicated notebook: date, BIB chapter covered, duration, key concepts noted, review items flagged. Show the log to the LCPO at section sync on the first request, not when the LCPO has to ask. The AG3 who arrives at the exam cycle with a 90-day documented study log has a defensible FMS. The AG3 who asks the duty AG2 for help in the last week of the exam cycle gets the help — and the LCPO reads the pattern.
  • Preflight weather brief certified for delivery under supervision — cleared by the OIC or senior AG to brief pilots without a senior AG rewriting the product first.
    Brief under review three times before you request certification — on easy days, on moderate days, and on one day where the weather has significant complexity (convective risk, embedded icing, low ceiling at the divert). Ask the AG2 to critique the brief as an aviator, not as an AG — 'did that tell me what I needed to make a GO/NO-GO decision?' is the right question. The certification is the OIC's signature, not the AG2's head nod after the easy briefing day.
  • PMEL instrument calibration and maintenance schedule clean — zero overdue actions at the section's monthly accountability review.
    Own a personal tickler for the instrument maintenance schedule — not the section log, your own tracking sheet. PMEL actions due within 7 days get a flag; overdue actions are non-existent because the 7-day flag catches them before they expire. When a sensor discrepancy appears during a maintenance action, the flag goes on the duty AG2's desk before end of watch — not in the section log at the end of the week.
  • PRT Good Medium or better; BCA in standard.
    Good Medium at AG3 is the visible standard the LCPO reads as 'this petty officer is taking the physical standard seriously.' The AG3 at Good Low who was Good Low as an AGAN is the AG3 the LCPO watches at the next PRT. Train the run and the curl-up / push-up standard as a year-round discipline — the AGAN who sprinted to Good Low from failure is the AG3 who has to sprint again.
  • At least one NEC pipeline conversation documented with the LCPO and career counselor — and the current NAVADMIN pulled before the conversation.
    Have the NEC conversation with the LCPO before the career counselor — the LCPO's read on which NEC path fits the section's billet needs and the AG3's demonstrated skill set is more valuable than the career counselor's generic script. Pull the current NEC source-rating NAVADMIN before both conversations. Walk in with a ranked preference list and a reason for the ranking. The AG3 who arrives with no opinion and asks the career counselor to decide for him is the AG3 who ends up in the assignment that was left over.

Technical Mistakes — Concrete Consequences

  • Misidentifying a frontal boundary or a surface low center on the synoptic analysis and briefing it forward to the flight-ops officer or routing officer.
    The ship's OOD routed around the wrong side of the system; the aircraft launched into the frontal cloud band the brief showed as clearing; the ship took the swells at the beam instead of the bow because the track was set on the wrong side of the low. The post-event forecast review pulls the analysis with the AG3's name on it. The AG2 who signed off the analysis has the conversation with the LCPO about whether the AG3's analysis competency is where the certification sign-off said it was. The NWAE study for AG2 is not the only thing the eEVAL is measuring.
  • Delivering a flight brief with a wrong icing level or turbulence call because the model guidance said so and the AG3 did not sanity-check it against the sounding.
    The aircraft launched into moderate icing at an altitude the brief called light. The pilot made the GO decision based on the brief. The post-flight debrief includes the AG3's brief product and the pilot's icing pirep, and the debrief goes to the OIC with both documents on the table. The AG2 who reviewed the brief has the conversation about where the product diverged from the sounding. 'The model said so' is not a defense when the sounding disagreed and the AG3 did not flag the divergence.
  • Closing an instrument maintenance action on the log without performing every step in the SOP.
    A barometer closed on the log with an uncorrected 1.5 mb zero error produces a systematic surface pressure error in every METAR transmitted from the station until the next calibration audit. Every forecaster who uses the station's surface analysis data for the next two weeks is working with a biased pressure field over the station. The PMEL audit traces the gap to the maintenance log signature date and the technician who closed the action. The LCPO reviews every maintenance log entry that a calibration audit flags.
  • Going around the duty AG2 or section officer to the flight-operations officer or ship's operations officer with a weather call.
    The met chain runs through the senior AG on watch — the AG2 or AG1 who owns the forecast product and the professional liability that goes with it. The AG3 who goes around the chain is telling the flight-ops officer that the duty AG's product cannot be trusted, which is a problem the OIC will investigate. The duty AG hears about it before the next brief and the pattern on the eEVAL profile does not read well at NWAE season.
  • Posting OPSEC-relevant METOC products, fleet-operations weather support details, or anything that reveals the unit's operational tempo on social media.
    Fleet weather products in an operational context — routing decisions, significant weather warnings for underway periods, the weather window for a specific operational event — are the exact material adversary signals intelligence and open-source collection operations target. The OPSEC officer at the command sweeps social media platforms. One post ends the clearance, the NEC pipeline, and the enlistment together. The AG3 who did it in good faith still ends the career.

Career Decisions at This Rank

  • AGW NEC pipeline versus other NEC or assignment paths — making the decision before the detailer calls
    The AGW NEC is the primary operational forecasting identifier in the AG rating — the NEC code associated with working-forecaster billets at METOC detachments, fleet weather support offices, and the NAVMETOCCOM enterprise. Without it, the AG3 who wants to progress as a working forecaster faces billet-eligibility limitations at the follow-on assignment. The honest assessment: pull the current NEC source-rating NAVADMIN before any conversation with the detailer or career counselor. The parameters for AGW eligibility — NWAE scores, current billet, performance record, command endorsement — are in the NAVADMIN, not in the career counselor's script. If the AGW pipeline fits the skill set and the career goal, pursue it actively. If the path is unclear, talk to AG2s and AG1s who hold the NEC and ask what the day-to-day billet reality looks like, not just what the selection package requires.
  • Re-enlistment or ETS at end of first contract — the conversation that starts 18-24 months in
    The AG rating is a small, specialized technical community where the SRB schedule (per current NAVADMIN — pull the message before talking to the career counselor) varies with NEC and rating manning. The AG3 who re-enlists with an AGW NEC pipeline locked in and a clear follow-on billet has a different career package than the AG3 who re-enlists for the bonus and figures the path out later. Run the math twice — base pay, BAH for your situation, SRB net of taxes, the follow-on billet the contract locks you into, the family conversation. The LCPO's re-enlistment recommendation is worth more than the career counselor's script in a small rating.
  • TSP allocation review — moving out of the default fund into a long-term allocation
    Most AGANs auto-enrolled at the default contribution are sitting in the G-Fund or the lifecycle (L-Fund) based on estimated retirement year. At AG3 the career is long enough to benefit from a deliberate allocation review. The C-Fund (S&P 500 index) historical return over a 20-year period is materially different from the G-Fund government-securities return. Talk to the Fleet and Family Service Center financial counselor — the conversation is free, the math is concrete, and the compounding difference between a deliberate 30-year allocation and the default auto-enrollment is real money at retirement. Do this once at AG3 and revisit at AG1.
  • Shore tour request versus sea tour for the follow-on assignment — and the career-path implications of each
    The AG3 who has done one sea tour (shipboard aerology division) and is looking at a follow-on may be choosing between a second sea tour on a larger combatant or amphibious ship and a shore tour at a METOC detachment or air wing weather office. The sea tour at AG3 gives operational intensity and deployment tempo — high-visibility forecast work, direct access to fleet operations, and the sea pay that makes the tour financially significant. The shore tour gives structured forecaster training, more NWAE study time, and the AGW NEC pipeline access that the sea tour may delay. There is no generically right answer; the right answer depends on whether the AG3 wants the operational intensity first and the structured training second, or vice versa. The LCPO who has watched the AG3 on the current tour has a better read on which environment the AG3 grows faster in than the career counselor does.

How the Seat Varies by Unit Type

  • METOC detachment or shore-based forecast element under NAVMETOCCOM
    The most structured forecaster training environment in the rating. The AG3 at a METOC detachment under a working AG1 or AGC who runs a deliberate forecaster-under-instruction program will build synoptic and mesoscale analysis skill faster than in almost any other billet type. The FNMOC product suite is more visible here than on a small combatant. Observation station discipline is equally important — the detachment's surface and upper-air observation record is part of the NAVMETOCCOM / global observation network. The downside relative to the shipboard tour: less direct exposure to the fleet operational tempo and less sea-and-shore advancement incentive.
  • Ship's aerology division — DDG, CG, LPD, LHD, or LHA
    The AG3 on a deploying surface combatant is in a small division where every product goes directly into the operational picture. The ship captain's morning brief, the routing officer's track decision, the air operations officer's launch-and-recovery window — these are the consumers of the AG3's work, and the feedback loop is immediate. Sea pay applies. The OPTEMPO in workup and deployment is the highest in the rating. The downside: structured forecaster training time competes with the watch bill, NWAE study time is a deliberate preservation exercise during deployment, and the AGW NEC pipeline conversation may be deferred until the shore tour.
  • Air wing weather office or naval air station weather support
    The preflight brief cadence drives the day and the aviation-safety stakes are immediate. The AG3 who briefs a wrong icing level learns it the same day when the pilot returns with the pirep. No observation station in the Navy produces more direct feedback on forecast quality than a tactical aviation weather support element. The brief volume and the brief verification discipline are higher here than in any other AG billet. NWAE study time requires deliberate protection against the brief tempo.
  • Fleet Weather Center or FNMOC support element
    Less common at the AG3 tier but accessible with an AGW NEC in progress. Fleet weather centers run the global-scale and ocean-basin-scale model guidance production that METOC detachments and shipboard aerology divisions pull from. The AG3 at a fleet weather center sees the full product chain from global model initialization through regional guidance dissemination — the scale of the forecast enterprise is visible in a way it is not from the deckplate of a DDG. The billet produces a technically deepened AG who understands why the model guidance says what it says, not just what it says.

What Good Looks Like at This Rank

The good AG3 is the petty officer the duty AG2 trusts to have the morning model analysis annotated and the synoptic brief package assembled before the section officer walks into the watch room. His surface analyses place the fronts where the baroclinic zone is — not where the model says, not where yesterday's analysis was — and when the model diverges from the observed trend, he has flagged the divergence and has a working hypothesis about which is tracking reality before the AG2 asks. His rawinsonde soundings launch on schedule and the QC flags he identifies during the ascent arrive on the duty AG2's desk before the section log closes, not after. His preflight briefs have been through three review cycles by the AG2 before he requested certification, and the pilot debrief after his first solo certified brief was the kind of debrief that produces a note in the section training log — not because the forecast was perfect, but because the AG3 asked the right question in the debrief and came back to the section with the verification data. The LCPO has not had to check his PMEL maintenance log for overdue actions in two cycles because the AG3 maintains a personal tickler that catches the 7-day warnings before they become misses. The AGW NEC pipeline conversation happened at month fourteen, not at re-enlistment time. The AG3 pulled the current NAVADMIN and the NAVPERS 18068 NEC entries before meeting the career counselor, and when the LCPO asked what he wanted from the follow-on assignment, he had a ranked list and a reason for the ranking. The LCPO does not have to advocate for a slot that the AG3 has not asked for — and the career counselor does not have to explain the basic pipeline to an AG3 who already read the source documents. He is on the AG2 NWAE study plan by month twelve and the BIB study log is in a notebook the LCPO has already flipped through twice. The advancement slate names him because the LCPO was building the case for three months before the cycle closed.

Preview — The Next Rank

AG2 (E-5) is the working forecaster tier — the rank where the AG owns the forecast product from synoptic analysis through product dissemination and the debrief, and where 'I briefed what the model said' is no longer a defensible explanation when the forecast verifies wrong. The promotion math runs through the NWAE under the Navy Enlisted Advancement System, with FMS combining exam, eEVALs, time-in-rate, awards, and education. The AG3 who walks into the AG2 NWAE cycle with a documented BIB study log, an EP or MP eEVAL ranking, the AGW NEC pipeline in motion, and a clean billet record has a real shot. The AG3 who phones the study log watches the slate. The job content at AG2 shifts materially. You own the forecast watch — primary synoptic and mesoscale analysis, model guidance assessment, tactical weather forecast production, flight-brief and ship-routing brief delivery, and the post-event verification that closes the forecast loop. You train and sign off AG3s and AGANs on PQS forecast line items. You manage the section's instrument maintenance schedule as the senior watch petty officer. On a deploying ship during a significant weather event, you may be the senior AG on watch with the AG1 in the OIC brief — and the forecast product the captain acts on is the one you produced. The difference between AG3 and AG2 in operational terms is the difference between producing a forecast under supervision and being responsible for the forecast that goes into the operational picture. Prepare accordingly.
FAQ

AG E4 — Frequently Asked Questions

Q01What does a E4 AG (Aerographer's Mate) actually do?
You own a section of the watch bill at a METOC detachment, a ship's aerology division, or an air wing weather office.
Q02What's the most important thing to know as a E4 AG?
AG3 is the petty officer who owns the watch between the apprentice observer and the working forecaster.
Q03What does a typical day look like for a E4 AG?
Time-blocked day at the E4 AG rank tier: 0500-0600 Wake up. Quick check of the weather station status remotely if the duty section has remote monitor access — any sensor alarms overnight, the observation the 0000Z watch produced, anything the LCPO flagged for follow-up. PT gear on, drive or walk to the section gym, 0600-0700 Command PT or section PT. At AG3 you are often running the section PT block for the AGANs if the AG2 is on leave or on watch. Set the pace.…
Q04What mistakes get E4 AG soldiers fired or relieved?
Briefing a model-guidance solution as the forecast when the observed synoptic trend is clearly diverging from the model. The ship routes into the heavier sea state or the aircraft launches into worse icing than briefed, and the post-incident review pulls the product with the AG3's name on the analysis. Model guidance is a tool; the AG who stops reading the sky and the synoptic analysis becomes a model printer with a crown on his sleeve;…
Q05What career decisions matter most at the E4 AG rank tier?
AGW NEC pipeline versus other NEC or assignment paths — making the decision before the detailer calls — The AGW NEC is the primary operational forecasting identifier in the AG rating — the NEC code associated with working-forecaster billets at METOC detachments, fleet weather support offices, and the NAVMETOCCOM enterprise. Without it, the AG3 who wants to progress as a working forecaster faces billet-eligibility limitations at the follow-on assignment. The honest assessment: pull the current NEC source-rating NAVADMIN before any conversation with the detailer or career counselor.…
Q06What's next after E4 for a AG (Aerographer's Mate) in the Navy?
AG2 (E-5) is the working forecaster tier — the rank where the AG owns the forecast product from synoptic analysis through product dissemination and the debrief, and where 'I briefed what the model said' is no longer a defensible explanation when the forecast verifies wrong.
Q07What manuals and regulations does a E4 AG need to know cold?
OPNAVINST 3140.1 — Aerology; at AG3 you own the specific support requirements and observation standards your billet is responsible for.; NWP 1-03.1 — Meteorological Support to Naval Operations; the doctrine that frames why the fleet commander cares about the product you produce.; WMO Technical Regulations, Volume I and the WMO Guide to Meteorological Instruments and Methods of Observation (WMO-No. 8) — the standards your observations are encoded against and your instruments maintained to.

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