Speaking aboard Air Force One, United States President Donald Trump declared that US operations had "taken out" Iran's air force and air defense systems entirely, leaving the country with "no air defense whatsoever".
On Saturday, he posted on Truth Social that Iran had been "blown off the map," its air defenses, navy, and leadership wiped out "weeks ahead of schedule".
Two days before that post, on March 19, a US Air Force F-35A Lightning II made an emergency "landing" at an undisclosed base in West Asia after being hit by "enemy fire" over Iran, the first time in the aircraft's operational history.
Trump's increasingly egregious claims are being dismantled by Iran's effective asymmetric warfare. Russia and China are watching closely, eager to both see their adversary degraded and extract crucial tactical lessons from the battlefield.
The F-35 incident will not end the US air campaign over Iran. It did not reverse any territorial or operational development on the ground. But reading it as a tactical setback misses the larger story entirely. The hit was a stress test, applied to three things simultaneously: the narrative being told to the public about this war, the doctrinal model underpinning fifth-generation air power, and the assumptions that America's most capable adversaries have been asked to accept about US military dominance.
All three failed the test in ways that will be felt well beyond the current conflict.
The gap between "no air defense whatsoever" and a damaged F-35 limping to an emergency landing is not a gap in intelligence. It is a gap between the war being described and the war being fought.
The narrative and what it required
When the United States and "Israel" launched their aggression on February 28, the initial wave of attacks was designed to do two things militarily and a couple of goals politically. Militarily, it was meant to suppress and destroy Iran's integrated air defenses and severely degrade Iranian missile infrastructure and industries. Politically, it was meant to establish the impression of swift, decisive dominance, the kind of opening that makes the war feel won before it is over, that neutralizes domestic opposition by making resistance seem futile, and that justifies the extraordinary financial and political costs being asked of Congress and allied governments. The assassination of Sayyed Ali Khamenei and other key officials was central to this "decapitation" strategy, designed to sever the head of the Islamic Republic and trigger a state of chaos and collective despair.
That political requirement shaped what was said publicly at every stage. Claims of air dominance were not incidental to the campaign; they were structurally necessary to it. With more than $200 billion in supplemental war funding being sought after just a couple of weeks of fighting, and with a coalition that included not just "Israel" but the direct or indirect operational and logistical participation of Saudi Arabia, the UAE, Qatar, Jordan, Bahrain, France, Italy, and the United Kingdom, the narrative of rapid, uncontested success was the glue holding together an arrangement of considerable political fragility. What further cracked the US narrative was Iran's ability to match, and at times outdo, US-Israeli escalation, forcing the US to show clearly who it prioritizes in its coalition of "allies".
Iran's air defense doctrine, however, was never built to refute the narrative of US-Israeli air supremacy head-on. Tehran did not attempt to deny US and Israeli aircraft access to Iranian airspace in the way a peer adversary with an interconnected, layered network might try to do against a less capable or comparable attacker. That was never a realistic ambition against two nuclear-armed states supported by the most capable air defense suppression capabilities in the world. What Iran designed instead was a doctrine of survivability and selective ambush. Iran's posture aimed not at preventing strikes but at ensuring that the cost of conducting them never reaches zero, and that the attacker can never truthfully claim the sky is clear.
Iranian air defense forces have operated under the explicit assumption that in a war against the United States and "Israel", their interconnected systems would be degraded, their fixed installations targeted, and their command nodes struck in the opening hours. Planning for that scenario rather than against it is what produced the architecture that caught the F-35.
The system at the center of the March 19 engagement was almost certainly not a radar-guided missile in the conventional sense. Analysis from multiple defense sources, including Chinese military expert Wei Dongxu speaking to China Media Group, points to passive electro-optical and infrared detection as the mechanism by which the aircraft was tracked and targeted. These sensors generate no radar emissions and therefore trigger no warning in the F-35's electronic warfare suite. The aircraft's radar-absorbent coating and carefully managed radar cross-section, the qualities that make it effectively invisible to conventional radar, are entirely irrelevant against a system that is looking for heat, not reflection. At lower altitudes, where atmospheric conditions concentrate engine heat signatures and reduce the detection range advantage that stealth provides at altitude, the passive sensor capabilities become particularly favorable.
The Raad system deserves specific mention here. Iran fields mobile air defense units mounted on trucks, integrating advanced domestically produced surface-to-air missiles with EO/IR guidance and, in the terminal phase, the option to activate radar guidance through integration with systems such as the Tabas, itself derived from the Buk-M1, before all vehicles disperse using a scoot-and-shoot protocol. The entire encounter, from detection to engagement to dispersal, can occur without a persistent radar signature that would expose the unit to anti-radiation weapons.
The system that hit the F-35 did survive Trump and Netanyahu's dominant fighters, which "obliterated" Iran's air defenses time and time again in less than a year, by chance. Whichever system or integration of systems scored the hit is part of an architectural choice made specifically because Iranian planners understood that fixed radar-emitting systems would be the first to die.
The weapon used in the engagement has not been officially confirmed. Some reports point to the 358 loitering anti-aircraft missile, a system already proven against slower-moving assets, while others suggest a short-to-medium range SAM consistent with the Khordad family. What Wei's analysis adds is the tactical dimension: Iranian forces appear to have capitalized on predictable US strike corridor patterns, positioning passive sensor systems along routes that had become routine enough to be anticipated. The F-35's vulnerability in this scenario was not a failure of stealth. It was a consequence of the attacker having to return, repeatedly, to the same operational geometry.
This same logic explains the record of attrition against unmanned systems earlier in the conflict. Iran downed dozens of MALE drones, MQ-9 Reapers, IAI Eitans, Hermes 900s, that were operating to locate Iranian launcher systems, guide munitions, and demonstrate ISR superiority in the campaign's opening phase. The 358 and the more capable 359 system, which combines the loitering of a drone with the ability to detect, track, and detonate against airborne targets across an expanded altitude range, were most probably used extensively alongside SHORAD systems, including the Majid, and the Qaem-118, resulting in sustained UAS attrition, that has gone beyond Iran and affected detection and early warning in Lebanon.
Both the hit on the F-35, several engagements of F-15s, and the destruction of dozens of enemy drones are evidence that Iran's passive detection network has been calibrated and achieved operational success.
Graphic 1 of 2
Iranian air defense systems by detection method
How each system tracks its target · and what F-35 stealth does and does not cover
Radar-guided
Active emission · F-35 stealth effective
Passive EO/IR
Heat signature · F-35 stealth irrelevant
Hybrid / Integrated
Passive detect → radar terminal
Bavar-373Long-range SAM
RadarAESA phased-arrayPrimary search and fire-control. Iran's most capable radar-guided system. Fixed and mobile components.
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Khordad-15Medium-range SAM
RadarPhased-array multifunctionEngages low-RCS targets. Designed as counter-stealth advancement on 3rd Khordad.
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TabasMedium SAM · Buk-M1 derived
RadarFire-control radar (primary)Radar-guided engagement at medium range. Tabas adds terminal radar for final intercept geometry.
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HybridRaad integrationEO/IR passive cue hands off to Tabas radar at terminal phase. Radar active only briefly before dispersal.
RaadMobile truck-mounted SAM
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EO/IRElectro-optical / infrared primaryNo radar emission. Detects engine heat at low altitude. Zero warning to aircraft EW suite. Scoot-and-shoot dispersal.
Optional terminal radarTabas hand-off at final stageCan activate brief radar guidance in terminal phase before all vehicles disperse. Minimises exposure window.
358 / 359 systemLoitering interceptor
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EO/IROptical seeker · loiteringLoiters in threat corridor. Optically detects and guides to heat signature. Proven vs. MALE drones; 359 extends altitude envelope.
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Majid / MANPADsShort-range · man-portable
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IR seekerInfrared homingPassive IR terminal seeker. No radar. Rapid deployment.
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What F-35 stealth addresses: radar cross-section reduction against active radar-emitting systems — the left column. It provides no protection against systems in the centre and right columns, which track heat rather than radar reflection. Iran's ambush doctrine is built specifically around those two columns.
Sources: Open-source technical assessments, Deep Dive Defense, IISS Military Balance, Iran Watch / Wisconsin Project, and reported analyst consensus. Raad–Tabas integration and 359 capabilities represent reported but not fully confirmed open-source assessments.
The F-35's stealth was never the question. The question was whether stealth, in its current form, solves the problem of a defender unwilling to submit.
The fifth-generation fighter is not a tool for prolonged attrition warfare against a capable enemy that has cracked key technologies, such as Iran.
Its value proposition rests on what might be called a decision window, the period in the opening phase of a campaign when stealth, sensor fusion, networked targeting, and stand-off precision give the attacker an information and access advantage so overwhelming that the defender cannot respond coherently. SEAD and DEAD operations clear the radar-guided threat environment. Surprise eliminates the defender's ability to reposition. The attacker penetrates, strikes the high-value nodes, and the campaign proceeds toward a political or military conclusion before the temporary advantages erode.
That model has a structural crack embedded in it, as it assumes that the decision window closes because the defender collapses, not because the attacker runs out of time, munitions, or political will. When the defender does not collapse, when Iran absorbs three weeks of strikes, continues to fire ballistic missiles at high-value targets, continues to contest the air, and continues to function as a state, the attacker faces a fundamentally different problem than the doctrine was written to solve. The F-35 is now operating not as a penetrating first-strike platform but as a repeated participant in a grinding campaign against a prepared, adaptive adversary that has already lost most of what could be taken from it in the opening strikes and is now fighting from deeply buried bases and cloaked positions and platforms.
The US and UK response to this dynamic has been to increase reliance on strategic bombers operating from standoff range. B-52s launching AGM-158 JASSM cruise missiles from beyond the reach of Iranian air defenses, and B-1B Lancers operating from RAF Fairford performing the extended-range maneuvers, represent a shift in the campaign's operational center of gravity away from penetrating fighter sorties and toward standoff mass. That shift is tactically logical. But it raises a question the campaign's architects will now have to answer more urgently than before: whether standoff tempo can be sustained at the scale this aggression requires, and for how long.
The B-52 and B-1B carry enormous ordnance loads, but their magazines are finite, their logistics chains run through bases that are themselves now under demonstrated threat, as the reported Diego Garcia strike on March 21 made clear, and the munitions they depend on, particularly the longer-range JASSM variants, are produced in limited quantities. JASSM-ER production rates have been a known constraint in US planning for contingencies involving high-intensity sustained strikes and are essential for any confrontation with the People's Liberation Army (PLA) in China. Every sortie from Diego Garcia or RAF Fairford depletes inventories that take months to replenish. As the campaign drags on, the question of whether standoff strikes can indefinitely replace overhead bombing ceases to be rhetorical, as the attrition of these munitions begins to pose an existential threat to US power projection in the Pacific.
Meanwhile, each week the campaign continues, and the Islamic Republic's survival gives Iran's dispersed, mobile systems more time to calibrate, reposition, and adapt. Strike corridors that were predictable in week one are more predictable in week three. The F-35 hit on March 19 may be one consequence of exactly that dynamic.
Graphic 2 of 2
Adversary capability comparison: Iran · Russia · China
Six capability dimensions relevant to contesting fifth-generation air power
| Capability dimension | Iran | Russia | China |
|---|---|---|---|
| Passive EO/IR detectionHeat-signature tracking that bypasses stealth's radar cross-section advantage | Operational Raad, 358/359, Majid. Proven in this conflict against F-35 and MALE drones. | Advanced KRET Okhotnik IRST, 77Ya6 Garmon EO/IR systems. Integrated into layered SAM network. | Dominant Large-scale domestic EO/IR production. Deployed on mobile platforms, ships, and UAVs at volume Iran cannot match. |
| VHF / UHF low-observable radarLow-frequency bands where stealth shaping provides minimal RCS reduction | Limited Operates some VHF/UHF counter-stealth radar systems, but the network has been severly degraded. | Dominant Nebo-M VHF operates in bands where F-35 shaping is least effective. Integral to Russian IADS architecture. | Advanced YLC-8B UHF radar specifically designed for low-observable detection. Multiple deployed variants. |
| Own fifth-generation platformStealth fighter capability for contested air-to-air and SEAD operations | None No fifth-generation aircraft. Relies on 4th-gen fleet (F-14, MiG-29, Su-24) and air defense systems. | Fielded Su-57 in limited operational service. Smaller fleet than originally planned but combat-tested platform. | Dual fleet J-20 (~200+ operational) for air superiority; J-35 for carrier operations. Two independent fifth-gen programs. |
| SAM system qualitySurface-to-air missile capability against advanced aircraft | Regional-tier Bavar-373, Khordad-15, 3rd Khordad. Domestically developed. Capable against conventional aircraft; contested vs. stealth. | World-class S-400, S-500 (emerging), Pantsir-S SHORAD. Deepest and most integrated SAM architecture outside NATO. | Advanced HQ-9B, HQ-19 (S-400 class), HQ-22 long-range. Rapidly closing gap with Russian systems in both quality and volume. |
| Electronic warfare depthActive jamming, deception, and suppression of enemy radar and comms | Limited Tactical EW capability exists but limited in scale and integration relative to peer adversaries. | Dominant Krasukha, Murmansk-BN, Rychag-AV. EW is a doctrinal cornerstone of Russian contested-environment operations. | Advanced BY-1A, DZ-1000 and J-16D dedicated EW aircraft. Significant investment in jamming and cyber-EW integration. |
| Industrial production scaleAbility to sustain attrition, replenish munitions, and field systems at volume | Constrained Domestic production under sanctions. Capable of producing key systems but limited throughput and raw material access. | Wartime footing Defense-industrial base shifted to wartime production rates since 2022. Significant missile and munitions output. | Dominant Largest defense-industrial base outside the US by output. Capable of producing all relevant systems at scale with short lead times. |
The core asymmetry: Iran scores in two capability columns — passive EO/IR and SAM quality — and used both in the March 19 engagement. Russia scores in five. China scores in all six and additionally fields its own fifth-generation platforms, meaning it can contest stealth-on-stealth engagements while simultaneously deploying every counter-stealth capability Iran used and several Iran does not possess.
Sources: IISS Military Balance 2024, CSIS Missile Defense Project, open-source assessments. Capability ratings reflect analyst consensus from open-source technical literature and do not represent confirmed classified assessments.
For Russia and China, the strategic value of the F-35 incident is not primarily about the aircraft. It is about the cost structure of a prolonged stealth campaign against a prepared defender, and whether the model survives contact with an adversary that has had time to adapt.
Russia's interest is essentially validating. Moscow has invested heavily in passive detection, low-frequency and VHF radar networks, including the Nebo-M, which operates in frequency bands where stealth shaping provides minimal reduction in radar cross-section, alongside electronic warfare systems and a layered but mobile SAM architecture that includes the S-400, S-500, and Pantsir-S. The doctrinal argument Russia has made to its own military establishment, that stealth is not magic and that a sufficiently layered and heterogeneous air defense network can impose real cost on even fifth-generation aircraft, has now been demonstrated not by Russian systems but by an ally operating with a fraction of Russia's resources and industrial capacity. The lesson Moscow takes is not that Iran has solved the stealth problem. It is that the problem is solvable, and that the solution does not require matching the attacker's technology, but rather denying the attacker the conditions under which stealth provides its maximum advantage.
China's reading is sharper and more consequential. Beijing does not merely field countermeasures to the F-35; it matches the platform's class with its own high-end hardware. With the J-20, China possesses a fifth-generation fighter capable of dominating in stealth-on-stealth combat, while the J-35 brings a similar level of sophisticated air power to its carrier groups. Simultaneously, China operates YLC-8B UHF radars specifically designed for low-observable detection, EO/IR systems produced at a scale and technical level that exceeds what has been shared with Iran, and HQ-9 and HQ-19 surface-to-air missile systems that represent generational ascent over Iranian air defenses. It is worth noting that Beijing's planners already understood the passive detection vulnerability and have invested extensively in such systems. What it watched was a live operational demonstration, in a real war, with real consequences, of exactly the tactical geometry it has been building toward in the context of a potential Taiwan Strait or South China Sea confrontation.
Conversely, the question of stealth superiority has direct implications for how China structures its air force and broader operational doctrine. Stealth platforms should be prioritized primarily as a means of denying US airpower and contesting access within China's immediate theater, rather than as the backbone of all expeditionary operations. Against less advanced adversaries, the emphasis should shift toward scalable and cost-effective systems platforms and munitions that can be produced in large numbers and sustained over time. The objective in such scenarios is not technological overmatch alone, but the ability to impose continuous, cumulative costs through attrition, saturation, and operational endurance.
US planners are now weighing a set of questions that were not supposed to be relevant at this stage. Whether to accept potential losses in continued F-35 sorties over Iran or shift further toward standoff at the cost of magazine depth and targeting flexibility. Whether the bomber fleet operating from Diego Garcia and RAF Fairford can continue to operate at the required tempo, given that both bases are reportedly within Iran's strike envelope. Whether the political coalition sustaining the campaign, assembled on the premise of swift success, can hold if the conflict extends into a fourth and fifth week without the decisive outcome that was promised.
None of these questions have been answered yet. But the fact that they are being asked, three weeks into a campaign that was supposed to be over, is itself a strategic outcome that Iran has achieved at the cost of one hit on one aircraft.
The F-35 incident is confirmed by US Central Command as under investigation. The specific weapon system used has not been officially confirmed; the EO/IR and passive sensor analysis reflects analyst consensus drawing on reporting by open source analysts on X, including @Pataramesh, @ETERNALPHYSICS, @hmdmosavi, and others, and South China Morning Post, CGTN, The War Zone, and statements by Chinese military analyst Wei Dongxu to China Media Group. The aircraft's final condition and precise landing location have not been officially disclosed as of March 22, 2026. Characterizations of Iranian air defense systems draw on open-source technical assessments and reported capabilities. Claims regarding the 359 system and Raad integration represent reported but not fully confirmed capabilities. All analysis of Russian and Chinese doctrinal takeaways represents the author's analytical inference and do not reflect confirmed official positions.