The Art of War: Carrier Warfare

There is one rule that governs a street fight above all the others, and it is the same rule that governs a war at sea: make sure that you hit the other guy, and that he does not hit you back. Everything else is detail. From the first ancient ships to mount heavy crossbows, to the far-firing cannon, to the escalation from cruisers to destroyers to battleships, every successive generation of warship chased the same two goals: more firepower, and more range to deliver it. The navy that could reach further and strike harder than its opponent, while staying out of reach itself, won.

No platform in history has answered that demand the way the modern aircraft carrier does. A carrier can put an entire air fleet to sea and strike targets hundreds of kilometers away while taking only minimal losses in return. It is a mobile airstrip in the middle of the ocean, a floating town of thousands of people, and the single most concentrated expression of military power any nation can field. It can dominate the water around it without the enemy fleet ever seeing it on the horizon, simply by launching aircraft, recovering them, rearming them, and sending them out again until the job is done.

This analysis traces carrier warfare from its faltering beginnings to its current dominance: the doctrine that makes the carrier so formidable, the handful of battles that defined it, and the open question hanging over its future. Because for all its capability, serious people now ask how long the aircraft carrier has left before it, too, is rendered obsolete.

Key Takeaways

The aircraft carrier exists to do one thing supremely well: strike an enemy at extreme range while remaining out of reach, the same principle that has driven naval armament for centuries.
A carrier is rarely alone. It sails inside a carrier strike group of cruisers, missile-armed destroyers, and a nuclear-powered attack submarine whose entire purpose is to keep the carrier alive.
A carrier’s value lies less in fighting other carriers than in power projection: parking an air fleet anywhere on Earth to deter, coerce, or, if necessary, dismantle an adversary’s military infrastructure.
Modern threats, especially hypersonic ship-killer missiles and ubiquitous satellite tracking, lead many experts to argue the carrier may already be obsolete, even as the global fleet grows rather than shrinks.

The Logic of the Carrier

The aircraft carrier is a versatile platform whose capabilities morph with whatever aircraft happen to be aboard at a given moment. It is typically the largest ship in a nation’s war fleet, and it is expensive, hard to maintain, and demanding of an enormous investment in both personnel and money. Yet across the world, any military that can afford a carrier almost always chooses to buy one. The reason is not vanity.

A carrier confers an immense tactical and strategic advantage over any opponent that cannot field one of its own.

The core of that advantage is brutally simple. Aircraft carriers can hit you, and unless you have an aircraft carrier yourself, you cannot hit them back. The ship itself usually carries only anti-air armament and, in the modern day, missile launchers. But the aircraft it carries can travel hundreds of miles, strike a target, and return safely.

A navy on the receiving end of a carrier will most likely be reduced to rubble while the carrier sits below the horizon, invisible, launching and resupplying its planes until the engagement is over.

Power Projection

In a purely naval sense, this lets the owner of a carrier dominate the seas and operate with impunity, at least until an adversary finds an answer to all those warplanes overhead. Simple anti-aircraft fire is rarely enough. In a broader strategic sense, the carrier’s owner can take an entire air fleet and park it anywhere in the world, opening an entire adversary nation to attack while placing only a single asset at risk.

The implications are stark. Should some power-hungry dictator begin sending operatives onto a major power’s soil from halfway around the world, that major power can answer by sailing a carrier into range and taking the fight to the source. The worst plausible outcome for that dictator is the loss of his entire military infrastructure and his own removal from power, or his death in an airstrike. The best he can hope for, with extraordinary luck, is to sink the carrier itself.

Costly as that would be, it is a small price against the destruction of an entire nation’s military. This is power projection: the ability to dispatch military strength anywhere on Earth, to resolve a crisis or to deter one from starting.

A Floating Airfield, and Its Vulnerability

It is a mistake to think of a carrier as just a very large boat. It is an airstrip built to operate in the middle of the ocean, often far beyond the range its own aircraft could reach from land. That fact cuts both ways. If the carrier ever becomes unable to conduct deck operations, takeoff and landing, every plane already in the air will eventually come down once it runs out of fuel.

If the carrier is sunk outright, any pilots still flying are stranded hundreds or even thousands of miles from help, in a nearly hopeless situation.

There is also the human scale to consider. A carrier carries a small town’s worth of people. The combined air and ship companies aboard a Nimitz-class American carrier total more than six thousand. For that reason, a carrier crew’s highest priority is always self-preservation, keeping the people, the aircraft, and the staggeringly expensive equipment aboard safe.

The Carrier Strike Group

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That protection is the job of the carrier strike group, an integrated fleet built around at least one carrier and a number of escorts whose purpose is to keep the carrier safe from counterattack. In the US Navy, a strike group often includes as many as half a dozen surface warships, cruisers and missile-armed destroyers among them, plus a nuclear-powered attack submarine. Depending on the deploying nation and the needs of a given operation, a group may also add more warships or submarines, logistics and support vessels, minesweepers, or even additional carriers. The composition varies, but the objective never does: ensure the carrier is extremely well defended against any threat that moves against it.

During carrier-based combat, command and control is essential. The carrier coordinates fighter aircraft, light bombers, flight deck personnel, and, if the ship itself comes under attack, the anti-air defenses aboard the carrier and its escorts. The carrier is almost always the centerpiece of that command-and-control infrastructure, positioning itself to keep its airstrip viable, to keep launching and recovering aircraft, and to provide air overwatch that protects every other ship in formation.

In the modern conflicts where carriers have actually fought, one side has always lacked a navy capable of challenging the other, so defending the carrier has not been a serious problem. But in the historical conflicts where carrier survival genuinely mattered, most prominently World War II, carriers were typically defended in a circular formation during active combat, each ship in the group shielding the ones beside it and the carrier at the center.

The Air Wing

As important as the strike group is the carrier’s air wing, which must be capable of four key tasks. It has to protect the sky over the carrier in air-to-air combat, and contest enemy aircraft over a target as well. It has to drop surface bombs on enemy warships. It has to deploy torpedoes against a warship’s hull beneath the waterline.

And it has to perform the reconnaissance that locates enemy ships in the first place. In the modern era, electronic-warfare aircraft have joined the list as critical assets, and it is now standard to see helicopters and rotorcraft aboard for search-and-rescue and for strikes of their own.

Together, these aircraft give a carrier group both defensive and offensive air power. They can appear off an enemy coast and conduct operations against land targets, attack enemy warships, or even take on an enemy strike group, the kind of battle that has not happened in the better part of a century.

The numbers convey the scale. The World War II carrier USS Hornet was built to support a Carrier Air Group of 18 fighters, 18 bombers, 37 scout planes, 18 torpedo bombers, and six utility aircraft, nearly a hundred in total. The Japanese carrier Akagi, later sunk at Midway, carried 21 Mitsubishi Zero fighters, 18 Aichi Type 99 dive bombers, and 27 Nakajima B5N torpedo bombers when it attacked Pearl Harbor in 1941.

In the present day, a British Queen Elizabeth-class carrier takes up to 36 F-35B Lightning fighters and a handful of helicopters. The Russian carrier Admiral Kuznetsov carries eighteen Su-33 fighter jets, six MiG-29K multirole aircraft, and six military helicopters, when it is not sitting in drydock. The French carrier Charles de Gaulle carries 30 Dassault Rafale fighters, five helicopters, and two airborne-early-warning aircraft.

America’s newest generation, the Gerald R. Ford class, is expected to carry more than 75 planes, chiefly F-35C fighters, F/A-18E Super Hornet multirole aircraft, and EA-18G Growler electronic-warfare planes. Behind all of them stands an enormous list of support roles, from plane handlers to maintenance crews to communications and air-traffic control.

Taken as a whole, the carrier has proven indispensable across the twentieth and early twenty-first centuries, outstanding in capability and versatile enough to go almost anywhere and do almost anything. It is as much a tool of strategic power projection as it is a weapon of war, and it excels in both roles. There is a reason most militaries on Earth either own at least one carrier or wish they did.

From the Birmingham to Battle-Worthy

For all that big talk, carriers did not begin as anything close to formidable. They entered service as early as 1910, when the USS Birmingham launched a scout plane from a ship for the first time. During World War I, warship-based aircraft were used for vital reconnaissance, but they generally could not carry bombs or torpedoes heavy enough to threaten surface vessels.

In 1918 the British Royal Navy launched HMS Argus, the first true flat-top carrier with a flight deck running almost the full length of the ship. Yet even the Argus, which could carry more planes than its predecessors, could not really take the fight to large warships.

The interwar years turned on a single question: could carrier aircraft advance to the point where they generated enough lift to carry enough payload to deliver ordnance heavy enough to threaten an enemy ship? Through the 1920s and most of the 1930s, the answer was no. No matter how many planes took to the sky, the battleship remained king of naval combat.

But by the late 1930s, dive-bombers and torpedo planes could carry enough additional weight to deliver meaningful strikes. Naval aviators, especially in Japan and the United States, had also developed the supporting technology and tactics, procedures for air raids and deck equipment such as arrested-landing gear, that made those aircraft genuinely effective.

So when the world’s navies faced off again at sea, many leaders were caught off guard by how far carrier capability had advanced. Scout planes had also improved dramatically. Finding enemy ships across thousands of square kilometers of open water would never be easy, but effective screening, and later air-search radar and broken enemy codes, went a long way toward giving carriers the element of surprise.

Coral Sea and Midway

The list of actual carrier-versus-carrier engagements is short, drawn almost entirely from the Pacific Theater in World War II. Before those battles, one early absence shaped everything that followed. The USS Enterprise and USS Lexington were not present for the Japanese strike on Pearl Harbor, as Japan had hoped they would be. Had they been lost in the attack, Japan might well have locked down and fortified Pacific territory that was instead retaken near the war’s midpoint.

The first major engagement came at the Battle of the Coral Sea in May 1942. Two American fleet carriers with nearly 130 aircraft and a support fleet of more than twenty warships faced a slightly larger Japanese force of three carriers, twenty-four warships, and almost 140 aircraft. It was the first battle in naval history in which two fleets of surface ships never fired at each other, and never even saw each other.

The entire fight was conducted in the air, each side’s naval air fleet striking the other over the horizon. The cost was heavy on both sides. The United States lost one carrier and saw another badly damaged, while Japan lost its light carrier and had one of its fleet carriers rendered inoperable.

Tactically, Japan came out ahead, with fewer ships sunk or damaged. Strategically, the loss of carriers and aircraft kept Japan from participating in the next battle, the one that might have turned the war in its favor.

That battle was Midway, fought in June 1942. A US force of three fleet carriers, 360 aircraft, twenty-three warships, and sixteen submarines met a Japanese force of four fleet carriers, twenty-three warships, thirteen submarines, and 250 aircraft. The Americans entered at a tactical disadvantage, down a carrier, but offset it with their forces on the island of Midway itself, where the airstrip functioned as an unsinkable carrier that could not move.

Had the two carriers knocked out at the Coral Sea been available to support Japan, the United States might have been overwhelmed. Instead, Midway became a decisive blow. At the cost of one carrier, one destroyer, and 150 aircraft, the US sank all four Japanese fleet carriers and crippled the Imperial Navy so badly it never recovered.

The difference-makers were American advantages in fighter aircraft, anti-air defenses, and intelligence and scouting, including the partial breaking of a critical Japanese naval code. Combined with sound carrier tactics, those advantages let the Allies win against the odds.

The Decades After

By the end of the war, the United States had twenty-seven fast carriers at its disposal, just as Imperial Japan conclusively lost the ability to repair its existing carriers or build new ones. The US leveraged that fleet into large-scale operations against island airfields in the Philippines and Formosa, modern-day Taiwan. By then American anti-air defenses had grown so effective that Japanese planes could almost never break through.

The exception was telling. The few attacks that did get through, usually flown by kamikaze pilots, showed that a missile with no intention of returning to base stood a far better chance of breaking through and hitting a carrier, a lesson worth keeping in mind.

In the decades that followed, carriers appeared across the world’s conflict zones. In Vietnam, then French Indochina, France relied on a borrowed US carrier to support its forces at Dien Bien Phu, and a decade later US carriers supported operations over Vietnam. In 1956, the British Royal Navy dispatched several carriers to manage the Suez Crisis, fielding new bombers such as the Vickers Valiant and the English Electric Canberra. In 1971, India deployed the carrier INS Vikrant, whose Sea Hawk attack aircraft launched numerous raids against coastal towns in East Pakistan, modern-day Bangladesh, keeping Pakistan on the defensive for most of the war.

The closest the world came to a postwar carrier battle was the Falkland Islands War of 1982. When Argentina invaded the islands, Britain dispatched a task force of more than 100 ships. The British military was looking worse for wear, and though it could field two carriers, HMS Hermes and HMS Invincible, those ships carried only about 20 Sea Harrier fighter jets.

Argentina had a single carrier, commissioned during World War II by the British, sold first to the Netherlands and then third-hand to Argentina, with capacity for twenty-one aircraft, most notably eight A-4Q Skyhawk attack aircraft that the US had developed in the early 1950s. A modest matchup, but it still would have been the first carrier-versus-carrier engagement since World War II. It never happened.

Argentina prepared a pre-emptive strike on the approaching British force, but insufficient wind meant the aging carrier could not get its bomb-laden aircraft off the deck. Rather than risk its only carrier, Argentina pulled the ship from the fight, and the British fleet could not catch it before it slipped away.

Deterrence in the Cold War and After

In modern, post-World-War naval strategy, a carrier must in principle be able to face down a rival carrier on the high seas. In practice, that outcome is almost unthinkable for a modern navy. The carrier became dominant only a couple of years before the world settled into a Cold War posture, with the United States and the global West arrayed against the Soviet Union.

The Soviets did not even field aircraft carriers until they commissioned two helicopter carriers in the late 1960s, and had those ships ever met Western counterparts in battle, the confrontation would have come dangerously close to triggering nuclear weapons. After the Soviet collapse, only two nations could reliably field a fleet of carriers, the United States and the United Kingdom, two countries that were never going to fight each other. So the carrier became, above all, a deterrent: a weapon that, though entirely real and lethal, is most useful when it threatens or coerces another nation into compliance.

Today the United States leads the field, not only in numbers, eleven carriers, but in sophistication. Its modern nuclear-powered carriers are among the safest places on Earth for a person to be. They can outrun most ships and submarines at a cruising speed of 35 miles per hour, they have effectively unlimited range, they are surrounded by advanced warships and submarines, and they are nearly unsinkable, packed with armor, redundancies, and onboard defenses.

Many of those defenses are not public knowledge and are unlikely to be known to America’s adversaries. Even if an attack penetrated the fifth-generation aircraft and advanced destroyers screening a carrier, it would still have no idea what awaited it on the ship itself.

The Global Fleet and How Carriers Are Used

A growing roster of nations operates carriers of its own. The United Kingdom has two. China has two and will soon have a third. France has one, Italy has two, and India has two.

Japan is converting its two helicopter carriers to launch small numbers of F-35 jets. Spain has one. Thailand had one until it converted the ship into a helicopter carrier in 2006. Turkey received its first carrier earlier in 2026.

Russia has one, if you ask Vladimir Putin, though almost everyone else would put the number at zero until the Admiral Kuznetsov can drag itself out of drydock.

How those carriers are used varies from nation to nation. Some are kept for coastal and homeland defense, or held in reserve as a back-pocket weapon should war break out. Others are sailed conspicuously around the world, within view of allies and adversaries alike, as a showpiece to burnish a nation’s image.

Still others, especially American carriers and those of its closest allies, are sent directly into hot zones and potential flashpoints. When Iran threatens to interdict American cargo ships, a strike group sails for the Persian Gulf. Even when carriers see genuine combat, as they did near Afghanistan and Iraq during the American occupations, they typically serve as a secure airfield the enemy cannot reach, with the rest of the strike fleet protecting it mostly as a formality.

There is one major caveat to all this. If a country has one carrier, it very often has zero carriers in any practical sense. To operate a strike group year-round, a nation needs two or three ships, so that one can rotate out for maintenance, repairs, or training. That requirement makes a credible carrier force a far steeper investment than the headline price of a single hull suggests.

Is the Carrier Already Obsolete?

Many experts now believe the carrier as a combat weapon may soon be obsolete, if it is not already. Most countries have at least some access to intelligence satellites, and any nation even remotely likely to confront a carrier can use real-time intelligence to pinpoint exactly where it is. And for all the talk of carriers being virtually unsinkable, emerging ship-killer missiles, hypersonic ones in particular, pose an existential threat to platforms that require thousands of personnel and billions of dollars to operate.

Yet the global carrier fleet is growing, not shrinking. China is believed to be pursuing five or even six carriers by the 2030s, potentially with nuclear propulsion, fifth-generation carrier-ready aircraft, and advanced weaponry such as railguns and lasers. The United States is investing heavily in its Ford-class carriers, the last of which will not arrive until 2032 at the earliest. France and South Korea both hope to put new carriers to sea within the next decade or two.

There are real reasons the carrier remains a defense priority even as doubts grow louder. Its value as a deterrent and force projector has yet to be seriously challenged, and history suggests today’s carriers are most likely to face non-carrier nations that probably are not fielding advanced ship-killer missiles anyway. There is even skepticism about whether those missiles live up to the hype, a question the Russian Kinzhal and the American Patriot missile-defense system will be hashing out for some time.

For South Korea, for Turkey, for France, India, Japan, and others, the carrier is becoming a capability each of the world’s military powers wants to control directly. That is especially true for South Korea and Japan, which hold longstanding security guarantees from the United States and its carrier fleet but increasingly must confront a rising China. In East Asia the US cannot counterbalance Chinese influence forever, and when it can no longer do so, advanced fighter aircraft, a homegrown defense industry, and, yes, the carrier will be crucial to those nations holding their own.

So that is carrier warfare: a domain that commands enormous budgets and vast commitments of manpower and strategic resources, yet is far more about deterrence today than active carrier-versus-carrier combat. Whether that will hold is an open question. Just as a larger global nuclear arsenal raises the odds those weapons are eventually used, more carriers around the world make it more likely that, someday, two of them will face off again. Until then, the only thing to do is watch a carrier arms race that looks to be just getting started.

Presented by

Simon Whistler

Simon Whistler is one of YouTube's most prolific educational creators. WarFronts is his deep dive into military history and conflict analysis.

Frequently Asked Questions

What makes the aircraft carrier so dominant compared to other warships?

The carrier can strike an enemy at a distance of hundreds of kilometers while remaining out of reach itself. Its aircraft travel hundreds of miles, hit a target, and return, so a navy facing a carrier can be reduced to rubble while the carrier never appears on the horizon. Unless an opponent fields a carrier of its own, it generally cannot hit back.

What is a carrier strike group, and why does it exist?

A carrier strike group is an integrated fleet built around at least one aircraft carrier, whose escorts exist solely to keep the carrier safe from counterattack. In the US Navy a strike group typically includes about half a dozen surface warships—cruisers and missile-armed destroyers—plus a nuclear-powered attack submarine. Support vessels, minesweepers, or additional carriers may be added depending on the operation’s demands.

Why was the Battle of Midway so decisive, and what decided it?

At Midway in June 1942, the United States entered the battle down one carrier but used the island’s airstrip as a fixed, unsinkable carrier. At the cost of one carrier, one destroyer, and 150 aircraft, US forces sank all four Japanese fleet carriers and permanently crippled the Imperial Navy. American advantages in fighter aircraft, anti-air defenses, scouting, and the partial breaking of a Japanese naval code proved to be the decisive edge.

What are the two greatest threats to the carrier’s future?

Most nations now have access to intelligence satellites capable of tracking a carrier’s position in real time, eliminating the cover that once protected it at long range. More acutely, emerging hypersonic ship-killer missiles pose an existential threat to a platform that carries thousands of people and costs billions of dollars. These two developments together have led many experts to argue the carrier may already be operationally obsolete even before the latest generation enters service.

If carriers may be obsolete, why is the global fleet still growing?

The carrier’s role as a deterrent and force projector has not yet been seriously challenged; most likely opponents are non-carrier nations that probably cannot field advanced ship-killer missiles. China is pursuing five or six carriers by the 2030s, the US continues investing in its Ford class, and France, South Korea, and Turkey are adding new carriers. Nations like Japan and South Korea, which have long relied on US carrier power, now want the capability under their own direct control as China’s regional influence grows.