VIETNAM, AFGHANISTAN, AND THE 2026 IRAN MEAT GRINDER: WHY OWNING THE SKY IS A DEATH TRAP

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VIETNAM, AFGHANISTAN, AND THE 2026 IRAN MEAT GRINDER: WHY OWNING THE SKY IS A DEATH TRAP—AND HOW THIS WAR WILL END AN EMPIRE

by Mark A. Shryock

on Facebook at https://www.facebook.com/MarkShryockArtist

 

The history of modern warfare is defined by a persistent, expensive, and often fatal misunderstanding: the belief that controlling the sky is equivalent to winning a war. As the conflict with Iran intensifies in March 2026 (Reuters; The Guardian, March 2026 reporting), the United States is once again confronting the reality that air dominance is a tool for destruction, not a guarantee of victory. This was first etched into the American military consciousness during the Vietnam War and later reinforced during two decades of occupation in Afghanistan (RAND Corporation; SIGAR Reports). In both instances, the U.S. maintained overwhelming or absolute aerial superiority, yet failed to achieve its ultimate strategic objectives. To understand why air dominance might not matter at all in a conflict with Iran, one must look at the brutal intersection of historical failure, massive geography, and a military structure designed specifically to survive an air campaign.

The failures in Vietnam and Afghanistan provide the blueprint for why air power is a limited tool. In Vietnam, the U.S. held air supremacy over the South but faced a sophisticated, Soviet-backed Integrated Air Defense System (IADS) in the North. Between 1962 and 1973, the U.S. lost approximately 3,744 fixed-wing aircraft across all services to combat and operational causes in Southeast Asia (U.S. Air Force Historical Studies Office; Congressional Research Service; Air & Space Forces Magazine). Despite the massive tonnage of explosives dropped during operations like Linebacker II, air power could not break the political will of the North or permanently sever the Ho Chi Minh Trail (Army University Press). The canopy of the jungle and the decentralization of the enemy's logistics meant that the roof of the war was owned by the U.S., but the ground belonged to the North. Afghanistan was an even purer example of this failure. For twenty years, the U.S. held 100% air supremacy against an enemy with no air force and no radar. Yet, the Taliban simply used the terrain to wait out the clock (SIGAR). Air power is excellent at destroying static targets, but it cannot govern a population, stop a decentralized insurgency, or hold a street corner (RAND Corporation). It proved that you can own the 1% of the world that is the sky and still lose the 99% of the world that is the ground.

 

Iran, however, presents a challenge that dwarfs both Vietnam and Afghanistan due to its sheer scale and fortress geography. While Afghanistan is often cited as the ultimate mountain challenge because 75 to 80 percent of its land is mountainous, Iran is so much larger that its total mountain territory is nearly double that of Afghanistan (CIA World Factbook; Encyclopaedia Iranica). Iran covers approximately 1.65 million square kilometers, compared to Afghanistan's 652,230 square kilometers (CIA World Factbook). This means that while Iran is only 55% mountainous, it possesses roughly 906,000 square kilometers of jagged, defensible peaks—the Zagros and Alborz ranges—compared to Afghanistan's 521,000 square kilometers (derived from CIA/academic geographic data). These mountains act as a natural barrier that an invading force must breach just to reach the central plateau.

[IMAGE: Zagros Mountains landscape showing snow-capped peaks and valley approaches. Photo credit: Alireza Javaheri, CC BY 3.0]

 

Furthermore, Iran has spent decades boring into this granite. Reports from the Institute for the Study of War (ISW) and the Alma Research Center (2026 underground infrastructure assessments) confirm that Iran's missile cities and command centers are deeply buried in hardened rock, in some cases reported at extreme depths approaching hundreds of meters. Coalition air dominance can destroy the entrances to these tunnels, but even the GBU-57 Massive Ordnance Penetrator struggles to reach assets buried under such depth (U.S. Department of Defense; Boeing technical data). You can't see through 500 feet of granite from an F-35.

 

The human element of the Iranian defense is equally daunting. Iran maintains a standing force of over one million personnel, divided between the regular army (Artesh) of 350,000, the elite Revolutionary Guard (IRGC) of 190,000, and the Basij paramilitary which has 300,000 active members and a mobilization capacity of millions (International Institute for Strategic Studies – Military Balance 2026; CSIS). This force is organized under a Mosaic Defense doctrine, which has divided the country into 31 autonomous commands (Small Wars Journal; CSIS analysis). As of the start of the 2026 campaign, these units have the authority to fight independently if the central leadership in Tehran is neutralized. This means that an air campaign designed to decapitate the government would simply result in 31 separate, well-armed wars across a million square kilometers of mountain and desert.

[IMAGE: NASA Space Shuttle photograph showing the folded ridge structure of the southern Zagros Mountains. The parallel lines of enormous hogback ridges and deep intervening valleys demonstrate the terrain that enables decentralized warfare. NASA photo STS047-151-35, public domain]

 

Air power cannot track or neutralize a million soldiers who are dispersed into small, autonomous units that are largely shielded by the radar shadows of the Zagros Mountains.

 

The tactical reality of the Strait of Hormuz turns the concept of air dominance into a liability. The Strait is a narrow chokepoint 21 nautical miles wide at its narrowest point, through which roughly 20% of the world's oil flows (U.S. Energy Information Administration). The Zagros Mountains sit directly on the northern edge of this channel, providing Iran with a crow's nest for surveillance and a wall for hiding mobile anti-ship cruise missiles (U.S. Naval War College analysis). Iran's strategy here is one of swarming and saturation. They utilize large numbers of small fast-attack boats and low-cost suicide drones in repeated waves to overwhelm the sophisticated Aegis defense systems of U.S. Navy ships (ISW; Reuters reporting, March 2026). Confirmed reporting shows hundreds of drones used in single waves and over 1,000 drones launched within 48-hour operational windows, with more than 2,000 deployed across the theater (The Guardian; ISW; Bulletin of the Atomic Scientists, March 2026). Even with absolute air dominance, a pilot cannot hit 500 small boats and thousands of drones across compressed engagement windows in such a cramped space. When combined with the thousands of naval mines Iran has deployed—which air power is virtually useless at clearing (U.S. Naval War College)—the Strait becomes a kill zone that threatens the global economy regardless of who owns the sky. If just one tanker hits a mine, insurance rates skyrocket and the global economy takes a gut punch (Reuters; global shipping insurance data trends, March 2026).

 

Ancient and medieval history proves that the Iranian plateau is a trap designed to bleed an invader dry. Alexander the Great, despite his superior tactics and "high-tech" engineers, faced a nightmare in the Iranian heartland. In 330 BC, a small Persian force estimated at 700 to 2,000 men used the narrow mountain pass known as the Persian Gates to hold off Alexander's army of 10,000 to 17,000 troops for approximately one month using terrain advantage and enfilade attacks (Arrian, Anabasis of Alexander; Encyclopaedia Britannica; modern historical analysis).

[IMAGE: Ancient stone-paved road through narrow mountain pass in Iran. This terrain demonstrates the type of defensible chokepoint that has trapped invading armies for millennia. Photo licensed under CC BY-SA 4.0]

 

Alexander eventually won only by maneuver and local guidance; he was absorbed by the land rather than conquering it outright in a single campaign phase. When the Arab armies invaded in the 7th century, the mountains forced them to fight a separate war for every single province, taking over 20 years to control the plateau (Cambridge University Press historical studies). Even then, the Iranians ended up running the Arab empire within a century (Encyclopaedia Britannica). The 

 

Mongols similarly struggled in the jagged Alborz and Zagros mountains, and like the Arabs before them, they eventually became Persianized, with their rulers adopting Persian administrative and cultural systems (Cambridge; Britannica).

The last time Iran was fully occupied was in 1941, during the Anglo-Soviet invasion of Iran (Encyclopaedia Britannica; historical archives). While the Shah surrendered quickly to save his cities, the occupation triggered severe economic disruption, including inflation spikes and food shortages that led to unrest and bread riots (historical economic analyses of the 1941–1943 occupation period). The Allies withdrew by 1946 due to mounting cost and pressure.

 

THE KHARG ISLAND TRAP: WHY OCCUPATION IS A DEATH SENTENCE

As of late March 2026, the United States is confronting the exact trap that history has laid before every invader of the Iranian plateau. On March 13, 2026, U.S. forces conducted a large-scale precision bombing raid on Kharg Island, Iran's most critical oil export hub, which handles approximately 90 percent of the country's crude oil exports (NPR, March 14, 2026; Wikipedia: 2026 Kharg Island attack). The strikes destroyed more than 90 military targets including naval mine storage facilities, missile bunkers, air defenses, radar installations, and the island's airport, but deliberately spared the oil infrastructure (U.S. Central Command; SOF News, March 15, 2026; RealClearDefense, March 14, 2026). President Trump announced the strikes and warned that if Iran continued to interfere with shipping through the Strait of Hormuz, he would "immediately reconsider this decision" not to destroy the oil facilities (Washington Post, March 13, 2026; NPR, March 14, 2026).

 

Within days of the bombing, reports emerged that the administration was considering a ground occupation of the island. On March 20, 2026, Axios reported that Trump was "considering blockading or occupying the island in an effort to force Iran to allow ships to pass through the Strait of Hormuz" (Axios, March 20, 2026; Wikipedia: 2026 Kharg Island attack). The 31st Marine Expeditionary Unit and the amphibious assault ship USS Tripoli were ordered to the Middle East, with the MEU specializing in amphibious landings, embassy security, and evacuation operations (RealClearDefense, March 14, 2026; Wall Street Journal, March 14, 2026). A White House official told the BBC that "the United States Military can take out Kharg Island at any time," while adding that Trump had "no current plans to send troops" but "retains all options as Commander-in-Chief" (Wikipedia: 2026 Kharg Island attack).

 

Kharg Island is the contemporary expression of every historical lesson in this piece. The island itself is tactically holdable. It sits 15 to 20 miles off the Iranian coast in the Persian Gulf, small enough to secure with a Marine Expeditionary Unit, and its military infrastructure has already been degraded by U.S. airstrikes (Wikipedia: 2026 Kharg Island attack; SOF News, March 15, 2026). American forces could land, dig in defensive positions, and control the perimeter. Air dominance over the island is absolute. But holding Kharg does not solve the strategic problem that this war has created, and in fact, it transforms U.S. forces into sitting targets for the exact asymmetric warfare documented throughout this piece.

 

The island is within range of Iranian missile, drone, and small-boat attacks launched from the mainland. As documented earlier in this analysis, Iran has demonstrated the capacity to launch hundreds of drones in single waves and over 1,000 drones within 48-hour windows, with more than 2,000 deployed across the theater (The Guardian; ISW; Bulletin of the Atomic Scientists, March 2026). Every supply ship approaching Kharg, every helicopter resupply mission, every Marine on that island becomes a target for swarm attacks from forces operating out of the Zagros Mountains visible from the shoreline. The U.S. Navy has already lost minesweepers from the region, and France's Exail company has offered to deploy 40 unmanned mine countermeasure systems just to clear the approaches (Armada International, March 2026). The Marines would be defending a static position against an enemy using mobile launch platforms hidden in mountainous terrain that air power cannot effectively suppress.

 

More critically, holding Kharg does not reopen the Strait of Hormuz. Even if U.S. forces occupy the island and control its oil export terminals, the tankers still have to transit the 21-nautical-mile-wide chokepoint that Iran has mined, swarmed with suicide drones and fast-attack boats, and overlooks from the Zagros range with mobile anti-ship missiles (U.S. Energy Information Administration; U.S. Naval War College). Controlling the island does not neutralize the 31 autonomous Iranian commands dispersed across a million square kilometers of defensible terrain. It does not stop the decentralized forces that continue to operate independently even if Tehran's central leadership is destroyed. It does not force Iran to negotiate, because the strategic equation remains unchanged: the U.S. can destroy infrastructure from the air, but it cannot hold ground against a dispersed, mobilized defense without bleeding resources at an unsustainable rate.

 

Kharg Island is Alexander's Persian Gates in miniature. The U.S. can take the position with superior firepower, but holding it requires defending a narrow, exposed piece of real estate under constant attack from forces operating out of terrain that dominates the surrounding area. Alexander did not try to occupy the Persian Gates after his flanking maneuver; he passed through and kept moving because static defense in that environment is a death sentence. The difference is that the U.S. cannot "keep moving" in this war. There is no Persepolis to sack, no central capital whose fall ends the conflict. The Iranian defense is designed to survive exactly this kind of campaign, and Kharg Island is the bait in a trap that turns American technical superiority into a strategic liability.

 

As of March 27, 2026, U.S. and Israeli operations have struck more than 15,000 targets across Iran (Global Defense Corp, March 27, 2026; corroborated reporting from Reuters and WSJ), yet the Strait remains contested and restricted and Iranian forces remain entrenched and operational (Reuters; ISW, March 2026). Senator Lindsey Graham stated that "he who controls Kharg Island, controls the destiny of this war" (Tatsu Ikeda, Substack analysis, March 2026). But control is not the same as victory, and occupation is not the same as strategic success. The United States controls Kharg Island's airspace. It has demonstrated the ability to destroy its military infrastructure at will. But the moment American boots hit that ground and try to hold it, those troops become fixed targets in a war where the enemy's entire doctrine is built around bleeding a technologically superior force through attrition, terrain advantage, and decentralized command.

 

The reason the 2026 campaign is a meat grinder is that we are trying to do with jets what Alexander, the Arabs, and the Mongols tried to do with swords, and we are hitting the same three problems: the high ground, the depth of the defense, and the unsustainable cost of winning. Air dominance is a prerequisite for the fight, but history and geography show it is far from a guarantee of victory. You can own the roof, but the guy in the basement has the shotgun, and the house is made of solid rock. Kharg Island is the proof that this logic still holds in 2026, and the decision to occupy or blockade it will determine whether the United States learns the lesson that every empire before it had to learn the hard way.

 

Copyright © Mark A. Shryock — May be shared with attribution.

SOURCES AND STRATEGIC ASSESSMENTS (MARCH 2026)

U.S. Air Force Historical Studies Office

Congressional Research Service

Air & Space Forces Magazine

RAND Corporation

Special Inspector General for Afghanistan Reconstruction

CIA World Factbook

Encyclopaedia Iranica

Institute for the Study of War

Alma Research Center

United States Department of Defense

International Institute for Strategic Studies (Military Balance 2026)

Center for Strategic and International Studies

Small Wars Journal

U.S. Energy Information Administration

U.S. Naval War College

Reuters (March 2026 reporting)

The Guardian (March 2026 reporting)

Bulletin of the Atomic Scientists

Cambridge University Press

Encyclopaedia Britannica

Arrian (Anabasis of Alexander)

NPR (March 14, 2026)

Wikipedia: 2026 Kharg Island attack

SOF News (March 15, 2026)

RealClearDefense (March 14, 2026)

Washington Post (March 13, 2026)

Axios (March 20, 2026)

Wall Street Journal (March 14, 2026)

Armada International (March 2026)

Global Defense Corp (March 27, 2026)

U.S. Central Command

Tatsu Ikeda (Substack analysis, March 2026)

IMAGE ATTRIBUTIONS

Mountain pass photo: Licensed under Creative Commons Attribution-Share Alike 4.0 International

Zagros landscape photo: Alireza Javaheri, Licensed under Creative Commons Attribution 3.0 Unported

NASA Zagros orbital photo: NASA Space Shuttle mission STS047-151-35, public domain