• Erectile dysfunction is a vascular-system symptom, not a standalone disease.
• The penis can reveal cardiovascular dysfunction before the heart because penile arteries are smaller.
• A man can have erectile dysfunction years before a heart attack, stroke, or other cardiovascular event.
• The erection is a practical health signal because men often seek care for sex before metabolism.
• Sexual function gives clinicians a direct path into blood pressure, insulin resistance, obesity, sleep, drugs, alcohol, and exercise.
• Cardiovascular exercise can improve erectile function enough to land more strongly than abstract heart-health advice.
• Young men need to learn that erections are tissue-health events, not only performance events.
• Daily blood flow keeps erectile tissue oxygenated, elastic, and usable.

The men's-health education gap

• Men can fall out of medical care after pediatrics because adult medicine gives them few clear entry points.
• College-aged men may go decades without care when early adult health visits feel irrelevant, embarrassing, or dismissive.
• Medical training includes required women's-health exposure, yet male-specific sexual and reproductive health often receives little structure.
• Many male patients know very little about erections, ejaculation, fertility, penis anatomy, testosterone, or prostate symptoms.
• Young men ask legitimate questions that health systems often fail to answer plainly.
• Better men's-health education starts with normal anatomy and function, not fear or pathology.
• Men need a health conversation that feels practical, private, and useful before crisis.

The five S's for men's health

• Young men's questions fit into sex, streams, steroids, sperm, and size.
• Sex includes erections, libido, orgasm, ejaculation, porn, relationship concerns, and practical sexual function.
• Streams includes urinary flow, prostate concerns, testicular concerns, and the basic mechanics of peeing.
• Steroids includes testosterone, anabolic agents, gym culture, online clinics, fertility suppression, and monitoring.
• Sperm includes semen analysis, sperm banking, fertility goals, and how lifestyle changes may show up months later.
• Size includes normal ranges, anxiety, restoration after loss, safe devices, and enhancement requests.
• This structure gives men permission to ask the questions they already have.

Clinical intake and lifestyle triage

• Clinical intake starts where the patient is comfortable and then widens the conversation.
• Erection quality opens a pathway into cardiovascular fitness, metabolic health, sleep, medication use, and substance use.
• Obesity, insulin resistance, poor sleep, vaping, cocaine, marijuana, and alcohol can all matter for erections and hormones.
• Patient willingness should guide change before a long list shuts him down.
• A man may need cardiology, primary care, sleep medicine, fertility care, mental-health care, or sexual-medicine care.
• Good triage does not overwhelm the patient with every possible referral at once.
• The goal is keeping the man engaged in care long enough to improve the underlying system.

Testosterone, steroids, and harm reduction

• Testosterone belongs in the workup for men with sexual-function concerns.
• A lab range is not enough; a 25-year-old with testosterone around 300 can be symptomatic even when the number is marked normal.
• Safety comes first: possible harm must be known, and monitoring must prevent harm.
• Testosterone therapy can suppress sperm production, so fertility goals must be handled before starting.
• Testosterone is not reliable contraception, but it can dramatically reduce spermatogenesis in some men.
• Baseline semen analysis matters when a man wants children later or is unsure about future fertility.
• Monitoring includes symptoms, testosterone level timing, hematocrit, lipids, estrogen, and side effects.
• AUA guidance is helpful, but real-world dosing requires knowledge of formulations, timing, peaks, troughs, and patient response.
• Testosterone injections, topicals, pellets, oral formulations, peptides, and anabolic agents are not interchangeable.
• A high testosterone number alone does not answer the clinical question; symptoms and safety markers matter.
• Young men using or thinking about anabolic agents need harm-reduction care, not expulsion from the clinic.
• Baseline hormones, estrogen, hematocrit, and sperm data help men make safer decisions.
• Clinicians should learn from guidance, experienced specialists, and patient experience when formal training is thin.

Fertility and semen testing

• Men who may want children should know their semen status before starting hormones or other fertility-risking interventions.
• Semen analysis is the only way to know whether sperm exist, how many there are, and how they move.
• At-home semen testing can lower the barrier for young men who are curious or hesitant.
• A clinic-based semen analysis is still needed when fertility is active, results are abnormal, or sperm freezing is being weighed.
• Sperm development takes about three months, so lifestyle or medication changes need time before the next measurement.
• Marijuana, alcohol, sleep, diet, exercise, and hormones can be tested through repeated semen and hormone measures.
• The point is not moral judgment; the point is measurable cause and effect in one man's body.

Erectile-dysfunction testing and Peyronie's disease

• Penile Doppler ultrasound uses a strong injection to test blood inflow and outflow.
• A test only helps when it matches the real-world problem the patient is having.
• When Cialis or Trimix produces a strong erection, that result can be more useful than an artificial test that fails to recreate the complaint.
• Ultrasound is especially useful when a man has Peyronie's disease, scar tissue, a lump, curvature, shortening, or deformity.
• Peyronie's disease is not just curvature; pain, indentation, narrowing, buckling, intercourse difficulty, and distress can all matter.
• Congenital curvature can be normal when it is stable and not interfering with sex.
• Men should know that penile trauma during sex can contribute to Peyronie's disease.
• Safer sex mechanics and full rigidity reduce the risk of bending injury.

Blood-flow tools and medication

• The penis can be handled like any body part: structure, blood flow, function, maintenance, and restoration.
• Tadalafil can support blood-flow signaling by preserving nitric-oxide effects through PDE5 inhibition.
• Daily Cialis can be useful beyond on-demand erections when the goal is genital blood-flow support.
• Nitric-oxide supplements may help some men, but tadalafil is often the direct tool when blood flow is the target.
• Medication decisions still depend on the person, side effects, contraindications, and clinical context.
• Men do not need to wait for severe decline before learning how to preserve function.
• Stronger erections can make sex safer by reducing partial-rigidity bending and trauma.

Daily erections and erectile fitness

• Research on normal male physiology points to multiple nocturnal erections per night.
• Many men never learn that nighttime erections are a normal sign of erectile tissue health.
• When daily or nightly erections disappear, tissue can lose length, girth, elasticity, and responsiveness over time.
• A wearable erection tracker can separate libido from erectile mechanics.
• Firmness, duration, and number of erections can be tracked like other fitness measures.
• Tracking can show how alcohol, marijuana, sleep, exercise, stress, and medication affect erectile function.
• This data can motivate behavior change because it is personal and immediate.
• Venous leak means blood enters the penis but does not stay there well enough for a durable erection.
• An erection ring can function like a compression stocking by helping trap blood in the erectile chambers.
• Rings are simple, inexpensive, and available without a prescription, but they must be used safely.

Vacuum pumps and restoration

• Vacuum erection devices are underused for penile restoration and maintenance.
• A pump can pull blood into erectile tissue, stretch the tissue, and remind a man that engorgement is still possible.
• The goal is light pressure, good lubrication, a good seal, and patience, not aggressive overpumping.
• Pubic hair may need trimming so the cylinder seals against the body.
• Men should use water-based lubricant on the base, the cylinder, and the penis.
• The technique is a few pumps, relaxation, more gentle pumping, and attention to comfort.
• Pulling a testicle into the cylinder is a sign that the seal or setup needs adjustment.
• After erection loss or size loss, a daily pump program for about three months can be reasonable restoration work.
• A pump is not proven to enlarge an already healthy normal penis for enhancement.
• Urology has more data for restoring loss than for enlarging normal anatomy.

Size, normal ranges, and enhancement requests

• The largest pooled measurement data show average erect length and girth are far below what many men think is normal.
• Most men are not six inches erect, and average erect girth is around four and a half inches.
• A size conversation should reduce shame when reassurance is enough.
• Some men seeking enhancement are not broken, dysmorphic, or sexually dysfunctional.
• They may already have good sex and still want to know what is possible.
• Saying there is no help can push men toward unsafe pills, oils, injections, or online procedures.
• Enhancement should be handled from abundance when appropriate, not only from deficiency.

Traction therapy and RestoreX

• Penile traction is most established for Peyronie's disease and length restoration.
• RestoreX clamps the flaccid penis and stretches it in a controlled way.
• The device was developed so men could get benefit with far less daily time than older traction devices.
• Peyronie's scar tissue does not stretch like normal tissue, so traction can help remodel curve and length.
• RestoreX can stretch and counter-bend the penis, which matters when curvature is the target.
• Traction can be used alone or with Xiaflex collagenase injections in selected Peyronie's patients.
• Combination care can produce better outcomes than either traction or injection alone.
• For motivated men with length loss, a practical program may use RestoreX about thirty minutes daily for several months.
• Evidence is stronger for restoring lost length than for adding length to a healthy penis.
• Penile lengthening surgery by cutting the suspensory ligament can create stability problems and is not the preferred path.

Girth enhancement and functional goals

• Hyaluronic-acid filler can be injected between the erectile chambers and penile skin to increase girth.
• There is no FDA-approved injectable product specifically for penile girth enhancement.
• Hyaluronic acid is attractive because it can be dissolved with hyaluronidase if needed.
• A half-inch to one-inch girth increase is a common realistic goal, and some men want more.
• The glans does not enlarge with shaft filler, so aesthetics require attention to the transition from head to shaft.
• Girth can matter functionally when sensation or partner sensation is the issue.
• Aging, erectile dysfunction, tissue loss, and childbirth can change how bodies fit together during sex.
• Enhancement work should include sexual function, safety, aesthetics, expectations, and reversibility.

Female erectile tissue and sexual tools

• Women have extensive erectile tissue, but much of it is internal and hidden behind the labia.
• The clitoris is larger than the visible tip and has a wishbone-like internal structure.
• Many women need clitoral stimulation for orgasm and do not climax from penetration alone.
• Sex with an unengorged clitoris is comparable to sex with a flaccid penis.
• Full-area stimulation can matter more than precise stimulation of only the visible tip.
• Wand vibrators can cover the broader clitoral region better than tiny bullets for some women.
• Suction or pressure-wave devices work differently from vibration and may reduce the problem of temporary desensitization.
• Toys are not a sign of failure; they are tools for pleasure, training, and better partnered sex.
• When a person wants orgasm with and without a toy, practice should include both pathways.
• The best sex uses the available tools and does not protect a fragile idea of what sex is supposed to be.

Closing principle

• Penis health is health: blood flow, hormones, nerves, tissue, fertility, psychology, relationships, and education all connect.
• Men should receive clear information early, before erectile loss, fertility panic, unsafe enhancement, or avoidable cardiovascular risk.
• Sexual health care works best when it replaces shame with normal anatomy, measurable data, and practical tools.

References

• [00:00] Effect of aerobic exercise on erectile function: systematic review and meta-analysis of randomized controlled trials — https://doi.org/10.1093/jsxmed/qdad130
• [00:01] Erectile dysfunction and coronary artery disease prediction: evidence-based guidance and consensus — https://doi.org/10.1111/j.1742-1241.2010.02410.x
• [00:25] The Evaluation and Management of Testosterone Deficiency: AUA Guideline — https://doi.org/10.1016/j.juro.2018.03.115
• [00:36] A phase III, single-arm, 6-month trial of a wide-dose range oral testosterone undecanoate product — https://doi.org/10.1177/17562872241241864
• [01:31] Am I normal? A systematic review and construction of nomograms for flaccid and erect penis length and circumference in up to 15,521 men — https://doi.org/10.1111/bju.13010
• [01:33] An Abundance Mindset: Lessons From Penile Girth Enhancement Research and Real-Life Experience — https://auanews.net/issues/articles/2026/april-2026/an-abundance-mindset
• [01:35] Outcomes of a Novel Penile Traction Device in Men with Peyronie's Disease: A Randomized, Single-Blind, Controlled Trial — https://doi.org/10.1097/JU.0000000000000245
• [01:37] Efficacy of Combined Collagenase Clostridium histolyticum and RestoreX Penile Traction Therapy in Men with Peyronie's Disease — https://doi.org/10.1016/j.jsxm.2019.03.007
• [01:45] Premature Ejaculation: The Most Common Male Sexual Dysfunction — https://doi.org/10.1111/j.1743-6109.2005.00163.x
• [01:46] Women's Experiences With Genital Touching, Sexual Pleasure, and Orgasm: Results From a U.S. Probability Sample of Women Ages 18 to 94 — https://doi.org/10.1080/0092623X.2017.1346530

• A 16-chapter, 640-page book on nuclear reactor core materials is the basis of this mostly non-technical talk.
• The book comes from enough years in the field to connect ideas that were not obvious earlier.
• Writing the book forced a return to old physics lessons and later understanding of what earlier lecturers had meant.
• The book is for a younger engineer and for young engineers and scientists of ordinary ability who are willing to learn.
• Learning begins with accepting that there is still something to learn. Confidence, humility, and engineering culture
• Dunning-Kruger is a competence-confidence pattern tied here to much older observations by Machiavelli and Schopenhauer.
• More learning brings a clearer view of the limits of knowledge.
• The PhD viva left Malcolm feeling tiny, and his supervisor saw that feeling as proof that the process had done its job.
• Research and management kept dividing people into two groups: receptive people who listened and unreceptive people who stayed willfully ignorant.
• A little knowledge around reactor materials is dangerous because people can mistake shallow familiarity for understanding.
• At Chalk River a supposedly surprising pressure-tube result fit the sample location, yet others reached the same answer only two years later.
• At Queen's a DFT paper had omitted earlier work that cut against both the data interpretation and the theoretical assumptions.
• Receptive people also stood out: a summer student and an Idaho project officer absorbed in hours what formal settings had not taught in much longer spans.

Atomic structure and deformation

• Metal atoms behave like hard spheres whose bonding and packing drive crystal structure.
• Close packing gives two main structures for common reactor metals: ABA stacking for hexagonal close-packed crystals and ABC stacking for face-centered cubic crystals.
• FCC and HCP cover many reactor-core materials, but they are only two of the 14 crystallographic arrangements.
• Crystal structure mattered enough to supply a joke about Bristol buildings looking orthorhombic rather than monolithic.
• Plastic deformation in crystals proceeds through slip, twinning, and martensitic change, and engineering alloys add grain boundaries to that picture.
• Grain boundaries are stronger than the grains because the regular atomic arrangement inside grains makes deformation easier there.
• Dislocations are line defects where bonds have been broken locally, and they let metals deform by sequential bond breaking and reforming instead of one huge shear event.
• A caterpillar ripple, moving a carpet, and tearing a telephone book a few pages at a time capture how dislocations lower the needed force.

Radiation damage and microscopy

• Neutron bombardment creates point defects when enough energy is transferred to knock atoms out of lattice sites.
• A fast neutron can launch a displacement cascade, and even thermal neutrons can create a few displacements through recoil from emitted gamma radiation.
• Nickel is especially important because nickel-58 can transmute to nickel-59, and nickel-59 then drives extra damage while producing hydrogen and helium.
• The displaced atoms and the vacancies they leave behind can migrate, cluster, and change microstructure and material properties.
• Transmission electron microscopy lets these defects and diffraction effects be seen directly, including vacancy loops and interstitial loops.
• High-voltage microscopy allows thicker samples and in-situ irradiation, so defect motion can be watched while damage is being created.
• In Stuttgart a vacancy loop grew during irradiation at 300 C, which showed that vacancies were mobile under those conditions.
• Radiation can also drive phase change, including an amorphous transformation in a zirconium precipitate first seen at Chalk River by Ross Gilbert.
• A zoom from that precipitate out to the M13 globular cluster made the point that structure can look surprisingly similar across radically different length scales.

Practical reactor materials and components

• Calandria tubes and pressure tubes have distinct microstructures, and pressure tubes matter because they are the pressure boundary inside the core.
• Cold-worked pressure tubes contain an enormous dislocation density, enough that a cubic centimetre would stretch from Earth to the Moon and a full tube would reach Pluto and back twice if the lines were joined end to end.
• Heavy-water CANDU reactors run on natural uranium, use heavy water for coolant and moderator service, and rely heavily on zirconium alloys because zirconium absorbs few neutrons.
• Some internal parts still need nickel alloys, and the garter spring is a critical nickel-alloy spacer that keeps the hot pressure tube away from the colder calandria tube.
• Contact between those tubes creates a cold spot, blister formation, and possible tube failure, which is why earlier failures in 1983 and 1986 mattered so much. Spacer failures, helium, and irreversibility
• A spacer removed after about 15 years in service arrived broken into many pieces, and truck transport did not cause that damage.
• Transit simulation showed that an unirradiated spacer could be deformed but was hard to break, while gentle cyclic bending could break it by fatigue like a paper clip.
• The irradiated spacer fractured differently, with faceted grain-boundary fracture rather than the fatigue surface of unirradiated material.
• Malcolm recognized that brittle intergranular behavior as helium embrittlement and had a hard time convincing others that CANDU conditions generate that much helium.
• The helium level was put at roughly a hundredfold above comparable U.S. reactor conditions for this kind of material.
• In a heavily damaged sample without helium, grain boundaries stayed comparatively clean even after about 500 displacements per atom.
• With helium in the material, vacancies were stabilized at grain boundaries and perforated the boundary instead of being absorbed.
• Annealing does not solve that problem because helium stays in the material.
• Helium is forever.

References

• [00:24] An Engineer’s Guide to Nuclear Reactor Core Materials — https://doi.org/10.1016/C2023-0-51920-2
• [02:46] Unskilled and Unaware of It: How Difficulties in Recognizing One's Own Incompetence Lead to Inflated Self-Assessments — https://doi.org/10.1037/0022-3514.77.6.1121

• Task Manager does not read a single instantaneous "CPU busy" value from Windows.
• The percentage is a periodic summary of activity that happened between refreshes.
• The display timer controls when the UI updates, but it does not supply the CPU denominator.
• CPU usage is an accounting result built from choices about cores, modes, idle time, interrupts, DPCs, and averaging windows.

How the percentage is computed

• Task Manager asks the kernel for cumulative per-process execution time, split across user time and kernel time.
• Each process behaves like an odometer: the code reads the running total, subtracts the last sample, and gets that process's CPU delta for the interval.
• The code also does a full pass across the process table, sums all current cumulative times, subtracts the previously remembered total, and gets the system-wide total delta.
• The per-process CPU percentage is that process delta divided by the total delta across all processes during the same sample window.
• This keeps the result meaningful even when the UI timer fires late or unevenly.
• The old code uses integer arithmetic and rounding to produce a fast, stable percentage without floating-point work in a hot UI path.

Why the number can feel wrong on modern hardware

• The meter answers how long a process was scheduled, not how many cycles or how much work the hardware delivered during that time.
• Dynamic frequency scaling, turbo behavior, thermal limits, deep sleep modes, and parked cores break the old assumption that a second of scheduled CPU time maps cleanly to a fixed amount of work.
• A process can show about 50% CPU for half of a sample window even though the actual work done in that half-window can vary widely with clock speed.
• The percentage is closer to occupancy than productivity.

Why totals, cores, and idle time confuse people

• On a multicore system, the process column answers what share of total machine CPU capacity a process consumed during the sample window.
• One process fully saturating one core on an 8-core machine lands near 12% to 13% of total machine capacity, not 100%.
• The System Idle Process is the bucket for unclaimed cycles, so busy time plus idle time adds up to the full machine total for the interval.
• The number is an average over the recent refresh window, so a short burst can be diluted into a small value or rounded to zero.
• Watching total CPU can hide a single saturated core, especially on machines with many cores or threads.

Why the code contains clamps, assertions, and edge cases

• The code clamps computed CPU above 99 back to 99 because early builds sometimes produced totals above 100% from a rare kernel-side accounting anomaly.
• The bug was trapped with assertions and eventually confirmed and fixed on the kernel side.
• The code invalidates old process records when cumulative CPU time moves backward, because PID reuse can make one dead process and one new process share the same identifier across samples.
• The code also marks an idle-process time of exactly zero as bogus and invalidates it.
• WOW tasks add another accounting wrinkle: child 16-bit task times are capped so they do not exceed the parent NTVDM total.

What the tool is for

• CPU usage is a ratio assembled from accounting decisions, not a substance that exists on its own.
• Task Manager favors a cheap, robust, human-readable approximation over a more forensic display.
• A 0% reading can still mean less than 1% average activity in the sample window, and a bouncing 0%, 6%, or 12% can match a bursty worker thread behaving normally.
• Catching microstutters, scheduler hiccups, or DPC storms needs a more specialized view than a one-second UI average.
• The old Windows NT4 Task Manager still runs on Windows 11, groups CPUs in sets of 16, and shows how much of the original design still survives.
• The final number is a fast, useful summary of a complicated reality, as long as it is read as an accounting ledger instead of a thermometer.

• Iran can threaten shipping through the Strait of Hormuz with naval mines, and even a small number of laid mines can function like a toll booth by forcing ships to accept Iranian control over safe passage.
• No mine strikes are confirmed in the transcript at this point, but the mine threat alone is enough to deter commercial traffic because ships do not need proof of a live minefield to avoid the route.
• Mine clearance is slow, dangerous, and difficult, so reopening the strait after even limited mining is much harder than preventing the mining in the first place.

How mines are laid

• Naval mines can be laid from almost any vessel, including small boats, landing craft, merchant ships, helicopters, submarines, and in some cases rockets.
• A vessel does not need to be a purpose-built minelayer, because simple rails or improvised handling arrangements are enough to roll mines into the water.
• The large volume of Iranian-linked small craft and commercial traffic in and around the strait creates many opportunities to sow mines without relying on a specialized platform.

Moored contact and influence mines

• The Maham-1 is a traditional moored contact mine with horns that detonate on impact, and most variants carry about 120 kg of explosive while a smaller shallow-water version carries about 20 kg.
• These moored mines sink an anchor to the seabed and then float the charge body a few meters below the surface, where they are harder to see and well placed to strike deep-draft tankers.
• The Maham-3 keeps the same general moored arrangement but uses acoustic and magnetic influence fusing, so it can detonate without direct contact and can sit deeper beneath a ship.
• Influence fusing also allows delayed arming, long persistence, and ship counters that let a mine ignore earlier vessels and wait for a later target.

Bottom and specialty mines

• The Maham-2 is a bottom influence mine with a much larger warhead of roughly 350 kg, better concealment on the seabed, and greater resistance to old-style cable-cutting sweeps.
• Bottom influence mines are harder to certify as cleared because a live mine can remain on the bottom after multiple ships pass overhead if its counter has not yet reached its programmed number.
• Iran also has a self-propelled bottom-mine concept in which a torpedo-like propulsion unit carries the weapon 10 to 20 km before it settles on the seabed.
• A fiberglass-cased conical bottom mine copied from the Italian Manta adds another concealment problem because its nonmetallic body is harder to detect and it is suited to shallow water.
• Rocket-laid mines using a Fajr-5 type launcher trade warhead size and depth effectiveness for very long standoff placement, making them more useful for anchorages, coastal approaches, and gap-filling than for the deepest main channel.
• A Chinese EM-52 type rising mine would be the most dangerous system mentioned because it can sit deep on the seabed, sense a target, launch upward, and attack laterally from significant distance.

Clearance and operational impact

• Traditional wire sweeps can still cut the mooring cables of older floating mines, but they do not solve the problem posed by bottom influence mines.
• Counters, arming delays, mixed mine types, and uncertainty about where mines were laid all expand the time needed to reopen shipping lanes.
• A handful of mines is enough to almost paralyze traffic because every transit becomes a gamble and every clearance declaration remains open to doubt.

Other Iranian anti-shipping threats

• Mines are only one layer of the threat, alongside anti-ship ballistic missiles, USVs, drones, artillery, small-boat attacks, and anti-ship missiles.
• USVs are identified as the main immediate threat to ships, while mines are identified as the hardest threat to clear once they are in the water.
• Anti-ship missiles, drones, and small boats can damage or harass shipping, but mines have the strongest ability to keep sea lanes closed over time.

Strategic escalation beyond Hormuz

• Control pressure in the Strait of Hormuz changes the waterway from open international transit into a passage shaped by Iranian coercion over who sails and on what terms.
• The pressure can spread beyond Hormuz because Iran can encourage Houthi attacks in the Red Sea and thereby threaten both ends of the wider regional tanker route.
• Combined disruption in Hormuz, Bab el-Mandeb, and the approaches to Suez creates a broader maritime dilemma than a single chokepoint crisis.

References

• [02:49] Guide To Iran's Naval Mines — https://www.hisutton.com/Iranian-Naval-Mines.html
• [10:54] Exploding the Mine Warfare Myth — https://www.usni.org/magazines/proceedings/1994/october/exploding-mine-warfare-myth
• [12:24] The Naval Show of Force That Wasn't — https://maritime-executive.com/article/the-naval-show-of-force-that-wasn-t
• [13:31] Strait of Hormuz - Mines — https://www.strausscenter.org/strait-of-hormuz-mines/
• [15:58] Leveling the Field: Iran’s Asymmetric Use of Conventional Military Capabilities — https://www.iranwatch.org/our-publications/articles-reports/leveling-field-irans-asymmetric-use-conventional-military-capabilities

• The Joint Maritime Information Center keeps the Arabian Gulf, Strait of Hormuz, and Gulf of Oman at critical risk.
• The running count reaches 21 attacks since 1 March, against a historical Strait of Hormuz flow of about 138 ships per day, with only one ship moving on 24 March and zero attacks in the prior 48 hours.
• Cargo traffic sits in single digits and tanker traffic remains extremely thin, and the eight to 10 tankers mentioned in the president's cabinet remarks do not show up in the count here. Iranian control over passage
• Iran keeps the strait open for vessels it does not tie to its enemies and blocks or pressures vessels linked to the U.S., Israel, or countries backing their operations.
• Trump pauses planned strikes on Iran's energy system until 5 April while negotiations remain unclear, and a strike on Iranian energy is a major escalation.
• Iran imposes a $2 million transit toll, and paying it can create sanctions exposure for companies that do business with countries restricting Iran.
• Passage now runs through a permission regime that can require crew lists, cargo details, voyage details, bills of lading, and routing near Larak and Qeshm before a ship gets through.
• A small containership sailing from the United Arab Emirates toward Pakistan is forced to reverse, and later larger vessels also turn back. Red Sea spillover and energy logistics
• The Houthis move back toward the Bab el-Mandeb and Red Sea picture, and even without new shipping attacks the threat hangs over the Yanbu export surge.
• Yanbu may be moving about 5 million barrels per day and possibly 7 million, but renewed attacks off western Saudi Arabia would turn that outlet into an expensive and fragile workaround.
• Fully loaded VLCCs cannot use the Suez Canal, so a Red Sea disruption would force shuttle movements, extra anchorages, and higher costs. Insurance, timelines, and economic pressure
• The U.S. political-risk insurance program with DFC and Chubb arrives late in week four, after traffic has already stalled and owners have already made other insurance choices.
• A crisis lasting weeks is already bad, months would be far worse, and the knock-on effects hit bunker fuel, aviation fuel, LPG, LNG, helium, sulfur, urea, DAP, MAP, and household fuel markets well beyond the U.S.
• Fuel stress is already spreading across countries such as Australia, the Philippines, Pakistan, and India, while the strait still matters to the U.S. because it affects both direct imports and global pricing.

Marine traffic over 26 to 28 March

• MarineTraffic shows a modest uptick in movement, especially for Indian LPG cargoes, with BW Elm and BW Tyr crossing for India while several bulk, crude, chemical, and gas carriers continue testing the route.
• Lotus Rising and Sapphira turn back, and the Hong Kong-flagged CSCL Indian Ocean and CSCL Arctic Ocean head toward Larak, stop, and return to the UAE anchorage.
• The turnaround of the two large Chinese boxships is the clearest sign that safe passage is still unreliable even for ships tied to countries Iran calls friendly.

Military posture and near-term outlook

• The Tripoli amphibious ready group is in the area, and the southern Omani side of the strait and nearby islands are possible staging areas for Marines to screen traffic and counter Iranian pressure from the north.
• Abraham Lincoln remains relevant after replenishment, Ford stays delayed by major fire damage, Bush has not yet sailed, and follow-on Marine forces from Okinawa and Hawaii remain part of the possible next steps.
• The next U.S. move is still unclear, and the overall cabinet messaging looks confused and unsettled.

References

• [00:00] Update 023 to JMIC Advisory Note: 01 - 24 March 2026 — https://www.ukmto.org/-/media/ukmto/products/update-023---jmic-advisory-note-24-mar_final.pdf?rev=5ebdc361d56a4098b62b9c78b44d6d15
• [00:02] Iran Says Hormuz Open To All But 'Enemy-Linked' Ships — https://gcaptain.com/iran-says-hormuz-open-to-all-but-enemy-linked-ships/
• [00:03] Trump Delays Iran Energy Strikes as Confusion Swirls Over 'Productive' Talks — https://gcaptain.com/trump-delays-iran-energy-strikes-as-confusion-swirls-over-productive-talks/
• [00:03] Iran Imposes $2M 'Toll' on Ships Transiting Strait of Hormuz — https://gcaptain.com/iran-imposes-2m-toll-on-ships-transiting-strait-of-hormuz/
• [00:05] Iran Demands Crew, Cargo Details to Send Ships Through Hormuz — https://gcaptain.com/iran-demands-crew-cargo-details-to-send-ships-through-hormuz/
• [00:08] Trump Official Says Hormuz Ship Insurance Program to Launch 'Soon' as Tanker Traffic Struggles to Recover — https://gcaptain.com/trump-official-says-hormuz-ship-insurance-program-to-launch-soon-as-tanker-traffic-struggles-to-recover/
• [00:09] Chinese Boxships Abort First Hormuz Exit Attempt, Undermining Iran 'Safe Passage' Claims — https://gcaptain.com/chinese-boxships-abort-first-hormuz-exit-attempt-undermining-iran-safe-passage-claims/
• [00:13] Iran Signals New 'Permission-to-Transit' Regime in Hormuz After Blocking COSCO Vessels — https://gcaptain.com/iran-signals-new-permission-to-transit-regime-in-hormuz-after-blocking-cosco-vessels/
• [00:13] Two India-bound LPG tankers crossing Strait of Hormuz out of Gulf, data shows — https://www.reuters.com/business/energy/two-india-bound-lpg-tankers-crossing-strait-hormuz-out-gulf-data-shows-2026-03-28/

March 10, 2026: What's Going On With Shipping

Today’s focus is the Strait of Hormuz: what vessel traffic actually looks like, what the US military is saying about possible escort operations, and what the trade consequences are if this disruption continues.

What’s happening in the Strait of Hormuz

Some ships are still moving through the strait. Transit has not gone to zero. One example highlighted is a bulk carrier identified as having Chinese ownership and crew, because that may matter. The working assumption is similar to what happened in the Red Sea: some Chinese-linked shipping may keep operating where others pull back.

At the same time, the traffic picture is not fully trustworthy. AIS and public marine tracking data are being distorted by electronic interference and spoofing, attributed here to Iran. So when people look at public vessel maps and see ships apparently stacking up, stopping, or behaving strangely, part of that picture may be false or misleading.

What to make of the US escort discussion

The next issue is General Kaine’s remarks about possible US Navy escort missions in the Persian Gulf and Strait of Hormuz. As presented here, the military is assessing options, force requirements, command structure, and ways to reduce the risks if such a mission is ordered.

The basic interpretation is that no clear, executable public plan is being communicated yet. That matters, because commercial shipping is not going to regain confidence just because officials say options are under review. Confidence returns when there is a visible, credible demonstration that the strait is open and ships can be protected while transiting it.

There are also practical constraints:

• only so many escort ships are available
• carrier strike groups have to protect themselves
• ships need refueling and rearming
• logistics can become a bottleneck very quickly

UNCTAD trade numbers highlighted in the episode

A March 10 UNCTAD report on the Strait of Hormuz disruption is cited, with the trade moving through the strait broken down roughly as follows:

• 38% crude oil
• 29% liquefied petroleum gas
• 19% liquefied natural gas and refined oil products
• 13% chemicals, including fertilizer
• 3% containers
• 2% dry bulk

The report also provides the traffic collapse numbers highlighted in the video:

• 141 ships on February 27
• 81 ships on February 28
• 4 ships on March 8

That is framed as roughly a 97% drop relative to the February average of 129 ships.

Why Asia is especially exposed

Asia is presented as the main exposure point. Using the cited figures, about 14.3 million barrels per day moved through the area in 2024, and about 84% of that oil went to Asia. Around 83% of LNG flows through this route are also described as essential to Asia.

The argument here is that LNG may be the more immediate vulnerability than oil, because replacement capacity is more limited. Oil markets are extremely important, but LNG substitution can become constrained faster.

Fertilizer is a major issue too

This is not just an oil story. Fertilizer is another major vulnerability. About one-third of global seaborne fertilizer trade is said to pass through the strait. The cited product shares are approximately:

• 67% of urea
• 20% of DAP
• 9% of MAP

Countries described as especially exposed include Sudan, Sri Lanka, Australia, Tanzania, Somalia, Pakistan, Thailand, Kenya, New Zealand, and Mozambique.

Expected knock-on effects

If this disruption continues, the expected chain of effects looks like this:

• higher oil prices
• higher gas prices
• higher fertilizer prices
• higher food prices
• higher tanker and fuel costs
• broader supply-chain stress

The pressure is expected to fall hardest on developing economies with weak fiscal capacity and heavy import dependence.

Overall takeaway

The central point is straightforward:

1. the Strait of Hormuz disruption is already materially reducing vessel movement;
2. public ship-tracking data is only partially reliable because of spoofing and interference;
3. the biggest near-term risks are energy, LNG, fertilizer, and freight costs;
4. trade normalization likely requires a credible, operationally ready naval protection plan.

Final point

This is not a localized shipping inconvenience. It is a chokepoint crisis with global implications. If secure passage through the strait is not restored, the result is likely to be deeper shocks in energy, transport, fertilizer, and food markets, with developing countries taking the hardest hit.