Two wars ran at once this spring. A thousand miles apart, different hands, nothing in common but the season. Seen together, though, they show something larger than either: two ideas of how a war is won.

In Iran, the United States executed the traditional art at something close to its peak.
Carrier strike groups. B-2 bombers on thirty-hour round trips from Missouri. By the Institute for the Study of War’s count, nearly nine hundred strikes in the opening twelve hours, air supremacy over western Iran inside a day, a regime decapitated in its first hours.

Overwhelming, precise, and expensive. It worked. It also reached the limit of what overwhelming force alone can settle—a point made in a companion piece to this one, and not the argument here.

A thousand miles north, Ukraine demonstrated something else. Denied that kind of mass, fighting for its life against a larger enemy, it improvised a war that is cheap, distributed, and aimed not at the soldier at the front but at the system behind him—the refineries, the depots, the pipelines, the bombers on distant tarmacs. It calls this campaign, in its own official language, “long-range sanctions.”

Set them together not to crown a winner. They answer different questions. The point is to see clearly what each one is—and to ask which of them the United States still knows how to fight.
A word on intent. This essay is about method. Whether the Iran war was wise is a different argument, and not one made here; no administration is praised, none blamed. What gets weighed are two ways of fighting—and then a harder thing, the kind of country it takes to sustain either one.

The politics the reader can supply.

The Traditional Art, Executed Nearly to Perfection

The American way of war is decision through dominance. You mass overwhelming force, you take command of the sky and the sea, and you make the enemy’s leadership and military the object of the blow. Done well, it is fast and it is shattering. In Iran it was done well.
The opening salvo killed the man who had ruled for thirty-six years and much of his command in the same hours. Within a day, American and Israeli aircraft moved over Iranian territory with something near impunity. This is the art at its best: concentration, precision, shock, and the collapse of the enemy’s ability to command. No drone swarm did this. It took the most sophisticated, most expensive military machine ever built, and it performed.
But read the bill, because the bill is the beginning of the argument.

The intensity ran toward two billion dollars a day at the peak. In the first ninety-six hours, American and Gulf Patriot batteries fired 943 interceptors—consuming, by one Foreign Policy Research Institute estimate, thirteen and sixteen percent of existing stocks—and replenishing them at current production would take roughly eighteen months.

By the ceasefire, by one Center for Strategic and International Studies accounting, the United States had drawn down something like forty-five to fifty percent of its Patriot inventory and more than half its THAAD interceptors, and had fired Tomahawks by the thousand, with replenishment for the deepest-hit stocks stretching toward the end of the decade.

Hold that number.

The traditional art won the battle and emptied the magazine. It is a way of fighting that spends its own foundation to win, and assumes the foundation can be refilled. Whether it can is the question the second war forces open.

The New Art, Improvised Under Pressure

Ukraine could not fight the American way. It had no carrier groups, no fleet of stealth bombers, no money to trade million-dollar missile for million-dollar missile. So it built a different theory of victory out of necessity, and the necessity made it inventive.

The theory is not to win by one decisive battle.

It is to degrade the enemy’s war system—to reach past the front line and strike the fuel, the refining, the pipelines, the depots, and the aircraft that let the war continue.

Analysts at West Point’s Modern War Institute describe it plainly as a “theory of victory,” aimed primarily at Russia’s ability to generate income through oil. Ukraine’s own defense ministry calls the strikes “long-range sanctions”—meant, in its words, to deprive the enemy of the economic capacity to continue.

It is Mahan’s old insight turned into a targeting list: hit the system, not the swordsman.

The effects are real, and they are best stated carefully, because the measures differ.
By late May 2026, Reuters calculated that Russian refineries fully or partially halted amounted to roughly a quarter of the country’s total refining capacity. The International Energy Agency put Russian crude output down about five percent year-on-year, throughput at its lowest since 2009. None of it is permanent. A refinery burns and is rebuilt—and then it burns again the next month, and the month after, and that grinding repetition is the whole design of a system-attrition war.

And then there is the operation that announced the new art to the world.
On June 1, 2025, Ukraine smuggled drones deep into Russia in the roofs of wooden sheds carried on trucks, and struck strategic bombers at airbases as far as Siberia. Kyiv claimed forty-one aircraft and seven billion dollars in damage. Independent satellite analysis confirmed a floor of roughly a dozen; American officials put it near ten destroyed. Take the conservative count—and it is still a handful of cheap drones reaching irreplaceable, out-of-production strategic bombers four thousand kilometers away, for a few thousand dollars apiece.

The dollar figure is contested.

The lesson is not.

The Arithmetic That Drives It

Underneath the new art is a number, and the number is the spine of the whole story.

The cost of attack has fallen so far below the cost of defense that the old economics have inverted.

A first-person-view drone costs a few hundred to a thousand dollars. The tank it kills costs several million; a Western Abrams, eight to ten. A Ukrainian sea drone costs around a quarter of a million and has driven warships worth hundreds of millions into port.

The exchange ratios are not close—they run into the thousands to one. The defender’s problem has a name now: the interceptor trap.

You spend a one-to-three-million-dollar missile to kill a ten-to-fifty-thousand-dollar drone, and you do it again, and again, until the magazine is empty and the ship must leave the fight to reload at a port it cannot reach quickly. Anyone who has stood watch on a warship understands the arithmetic in his stomach before he sees it on paper. A vertical launch cell, once fired, stays empty until the ship reaches a pier; there is no reloading those cells in a seaway. The magazine has a bottom, and every man aboard knows where it is.
The arithmetic is not confined to great powers.

The Houthis—no navy, no air force, no industrial base to speak of—imposed it on the most powerful fleet on earth.

By the spring of 2024, the Navy Secretary told Congress the munitions bill for defending Red Sea shipping was already approaching a billion dollars—interceptors worth a few million dollars apiece, spent on drones and missiles worth a fraction of that, and the campaign wore on well past it. The Navy never lost a ship. It won every engagement and could not make the attacks stop, because the cost ran the wrong way and the magazine has a bottom.
A non-state actor proved the new economics with sandals and cheap airframes.

That is what makes it structural rather than clever.

Offense (cost) Target (value) Exchange

• FPV drone ($400–$1,000) vs Main battle tank ($1.5M–$10M) Thousands to one
• Sea drone (~$250,000) vs Warship ($450M–$500M) ~1,500–2,000 : 1
• One-way attack drone ($20K–$50K) vs Naval interceptor ($1M–$4.3M) ~100–300 : 1 (against the defender)
• Houthi drone/missile ($2K–$50K) vs SM-2 / SM-6 ($2.1M–$4.3M) Ruinous to the defender.

A note on the figures: unit costs vary by drone type and sourcing, and several are analyst estimates rather than audited numbers—the Shahed/Geran loitering munition alone is put anywhere from $20,000 to $80,000 across credible sources. The ratios should be read as orders of magnitude, not precise accounts. The asymmetry is not in doubt; the decimal points are.

The Honest Limits of the New Art

From all of this it is tempting to conclude the old art is finished. The temptation is worth resisting, because the conclusion is wrong. The new art is no revolution that has made the old one obsolete, and the serious analysts who have studied it most closely say so plainly.

They are worth heeding before anyone declares the carrier dead.

The Center for a New American Security, surveying Ukraine, concluded the change is “evolutionary rather than revolutionary,” and quotes the analyst Michael Kofman flatly: drones “are not a substitute for mass.”

A peer-reviewed study in International Security found that drones do not by themselves produce the revolutionary effects attributed to them—they remain vulnerable to air defense and electronic warfare, and they need combined-arms support to matter. West Point’s Modern War Institute reaches for the oldest analogy in the book: the machine gun in 1914 did not replace the other arms, it forced them to integrate; drones are the same—they cannot seize ground, hold terrain, or substitute for armor’s shock, infantry’s presence, or artillery’s sustained weight of fire.

The most direct statement of the limit comes from the Royal United Services Institute, whose Justin Bronk warns that it would be a mistake for any modern force to lean on massed cheap drones in place of traditional firepower—because only a small fraction of the drones launched ever reach their targets, and it is far easier to counter a force built on cheap drones than to counter well-handled airpower, long-range fires, armor, and artillery inside a professional joint force.

The electronic-warfare contest proves his point: jamming was devastating early, then frequency-hopping and fiber-optic tethers and autonomy eroded it—an arms race measured in weeks, not years, with no permanent winner. Weather grounds small drones that manned aircraft fly through. Payloads stay small; a single artillery salvo still outweighs what a swarm can deliver.

And then the decisive limit, the one that explains Iran.

The new art could not have fought that war. Fordow is buried under a mountain. Iran’s hardened, dispersed, deeply protected nuclear sites, six thousand miles from American soil, do not yield to a five-hundred-dollar quadcopter. The United States used B-2s and bunker-busters in Iran not out of nostalgia but out of physics. Some targets require mass, reach, and penetration that only the old art possesses.

This is why the two arts are not rivals on a single ladder. They answer different questions, and a serious military needs the answer to both.

Two Theories of Victory

The picture is clear enough now.

These are not two weapons.

They are two theories of how wars end.

The old art seeks decision through dominance: overwhelming force, command of the commons, the enemy’s leadership and military as the object.

The new art seeks decision through attrition of the system: cost imposition, denial, the enemy’s logistics and economy as the object.

One is a hammer. The other is a slow tightening of the hand around the throat.
Iran was the hammer. Ukraine is the hand.

The United States is superb at the first. It is watching—not building—the second. And that is where the argument arrives at the foundation under both, the place a companion essay on the Navy and Alfred Thayer Mahan already pointed.

Mahan’s real lesson was never about the size of the fleet. It was that the fleet is the consequence of the system—the yards, the production, the supply—and not its cause; pull the system away and the ships become, in his phrase, like land birds unable to fly far from their own shores.

The same logic governs both arts of war. A war of mass needs magazines that can be refilled. A war of cheap mass needs factories that can pour out millions of cheap weapons.
Both are industrial questions before they are tactical ones.

On that measure the numbers are stark.

• Ukraine, out of sheer need, produced over a million and a half drones in 2024 and is targeting millions more.
• China controls something like seventy to ninety percent of the world’s commercial drone market and the components beneath it—the airframes, the batteries, the motors, the magnets—and can produce drones by the million.
• The United States Army buys them by the tens of thousands.

When the Pentagon tried to close the gap with its Replicator program—thousands of cheap autonomous systems promised by August 2025—it missed the deadline, fielding hundreds instead of thousands, and found the binding constraint was not ambition but supply: the batteries, motors, and magnets are nearly all Chinese-made. You cannot adopt the new art by memo.

It takes an industry, and much of that industry now sits somewhere else.

The Last Clean Victory, or the Most Expensive Lesson

Which brings the two wars back into one frame.

In Iran, the United States may have won the last clean victory of the old art—a textbook demonstration of dominance, executed nearly to perfection, that also emptied the magazines a Pacific war would need and proved, in the cost columns, how unaffordable the old art has become against a serious adversary.

A thousand miles north, the new art was being invented, industrialized, and proven in real time—by a smaller power and, in the Red Sea, by a non-state militia—while the nation with the world’s most powerful military watched, and could not yet build it.

The danger was never that America fought Iran the old way. The old way was the right tool for that target. The danger is that the old way may be the only art it still knows how to practice—that it has perfected the war it knows while the war it does not know is being written by others, on a foundation it has allowed to decay.

And beneath the strategy, the deeper question.

Why does a great military perfect the last war while the next one takes shape in plain sight?

The answer the profession gives about itself is uncomfortable.

Two decades of operations funded without limit, against enemies who could not contest the sky, produced—in the words of the Army’s own Military Review—leaders with “adequate tactical and technical expertise” but a thin supply of “strategic experts.”

A generation learned to execute brilliantly and was rarely asked to question whether the thing being executed was the right thing.

That is not a failure of courage or competence. It is a failure of the one skill that sees a shift coming before it arrives—strategic thinking, the habit of asking not “can we do this well?” but “is this still the right thing to do?”

It is the skill the system stopped cultivating, and it is the skill the next war will demand first.

The art of war is being rewritten.

Iran showed the old art can still win, and at what price.

Ukraine showed the new art is real, and where it is being built.

The United States does not get to pick one—it needs both.

What it cannot afford is to lose the habit of mind that tells them apart, or the foundry that lets it build either.

It cannot afford to forget about Alfred Thayer Mahan and that seapower is a system – not a collection of expensive toys.

Whether it still has the first, and can rebuild the second before the lesson arrives the hard way, is the open question.

On the present evidence, neither can be assumed.

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Charles C. Jett is a Naval Academy graduate, former Cold War submarine officer whose tactical innovations inspired Tom Clancy’s Jack Ryan character, author of Super Nuke!, executive coach, and civic educator. He writes at criticalskillsblog.com and civicsage.com.