Ukraine's defense forces intercepted 55% of Russia's jet-propelled drones in September—more than 1,500 out of over 2,730 launched—Ukrainian President Volodymyr Zelenskyy said in his 26 September evening address.

Russia's full-scale aerial campaign has shifted from propeller-driven Shaheds Ukraine learned to shoot down at over 90% to jet-propelled models that fly faster, resist jamming, and often slip past existing defenses.

55% and climbing

Zelenskyy said military intelligence had briefed him on Russian weapons production—not just jet Shaheds but other technological systems. The documents detail what Moscow is preparing for next year: the volumes and the financing. "We are preparing our countermeasures, and for every line item there must be a Ukrainian answer," he said.

Several effective interceptor prototypes are already in combat.

"Interceptors have been identified that can become the main tool of our defense. Production, components—all of this we are scaling up. There will be an answer," Zelenskyy said.

The goal is to match the interception rate for regular propeller-driven Shaheds, which exceeds 90%. At 55%, the jet-drone rate is climbing but still leaves nearly half reaching their targets.

$12 billion for one category

Russia plans to spend $12 billion in 2027 on jet drones and loitering munitions alone, Zelenskyy said. "This concerns not only Ukraine and not only us," he added, warning that multiple intelligence agencies have information Russia wants to expand its war to other countries and regions.

He said this is why Ukraine is pushing for stronger sanctions and the Drone Deal format. Ukraine has signed 11 such agreements, the latest with Finland at the UN General Assembly this week, and is preparing a 12th with what Zelenskyy called "a strong country."

The warning came as Russia struck a Kyiv data center twice on the morning of 27 September, injuring three people including two children, Zelenskyy wrote. Overnight strikes killed three people in Zaporizhzhia Oblast and one man in Kyiv.

In total this week, Russia launched more than 2,200 strike drones, roughly 1,650 aerial bombs, and 38 missiles—a significant share of them ballistic—at Ukraine, he said.

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Jet drones are now Russia's main aerial weapon

Russia's jet-propelled Geran-4 and Geran-5 drones have become the dominant threat in Russia's aerial campaign against Ukrainian cities. By August, production of jet Geran-4/5 models exceeded that of propeller-driven Geran-2s, according to Ukraine's military intelligence (HUR). Russian factories produce roughly 3,000 jet models per month alongside about 2,800 of the older type. The Geran-5 is technically a drone but functions as a small cruise missile—faster, harder to jam, and increasingly guided by AI and mesh networking that complicate interception.

Ukraine's answer has been interceptor drones—cheap, fast enough to chase a Geran, and guided by machine vision. A Ukrainian interceptor recently scored its first kills against jet Gerans and is heading into mass production, though a presidential adviser warned that speed alone cannot catch them—machine vision and automatic guidance decide the chase.

Russia is quietly moving to expand the capacity of the plant behind its long-range attack drones, a step that could sharply raise how many it launches at Ukraine, according to Politico. The plan turns on a single carbon fiber factory in Russia's Tatarstan region and runs to the end of the decade.

These files add something narrower than Russia's known intent to fight on: they identify carbon fiber as a critical material capping how many drones it can build. To break that cap, the Kremlin is funding production lines that will not run until the decade's end—a bet on winning by out-building Ukraine, even as the strikes grind on.

The bottleneck Russia wants to break

Politico obtained internal documents from Russian state nuclear corporation Rosatom showing its Alabuga-Volokno plant would add 500 tons of military-grade aerospace carbon fiber a year by 2029. Rosatom declined to comment. Weapons expert David Albright, who heads the Institute for Science and International Security, estimated that volume could yield airframes for about 28,000 more attack drones a year—a 78% jump.

Ukraine already estimates Russia can build more than 36,000 Shahed/Geran kamikaze drones a year. Carbon fiber is the choke point: it keeps the airframes light and strong, and Russia has no cheap substitute.

"Without the carbon fiber, they can't make the drone. Can't substitute for the carbon fiber in the drone and keep its weight down," Albright said.

Moscow is investing in the raw material, not just more assembly halls—the fiber, not floor space, is what caps output.

Ground already cleared in Tatarstan

Documents gathered by the Ukrainian Security and Cooperation Center describe a new factory on the site designed to produce UMT42S-3K aerospace-grade fiber. Satellite images from May to July show land cleared for construction. Albright's own August imagery shows foundations going in. He said the stated 2027 completion date "requires rapid construction." Russia has spent the past year adding new assembly halls at the same site.

The plant and its parent, Rosatom's Umatex Group, already sit under US, UK, and other Western sanctions. The US House Select Committee on China and the Ukrainian government both verified the documents, officials told Politico.

The push comes as Russia leans harder on jet-powered Shaheds, which Ukraine's Air Force says are hard to down with conventional defenses. Kyiv has fielded its first jet interceptor and tested a new one in September—but the plant is a bid to out-build those defenses faster than Ukraine can scale them.

Russia has fielded a new generation of cheap, jet-powered drones and cruise missiles faster than Ukraine or the US can build defenses against them, according to The Wall Street Journal. The weapons run on Chinese parts that slip past Western sanctions, and they are already getting through air defenses designed to stop slower drones. Analysts say the West underestimated how fast Moscow could move from an idea to a full assembly line.

Russia now leans on cheap, mass-produced drones to swamp Ukraine's air defenses with sheer numbers night after night, and its factories keep growing to keep the attacks coming. The bigger lesson reaches past this war: in a long fight, cheap weapons in large numbers can beat a small stock of expensive ones.

A cheap weapon that gets past Ukraine's defenses

Ukraine had learned to shoot down the Iran-designed Shahed drones Russia was launching. Then Moscow moved the goalposts. The newest model, the Geran-5, looks more like a missile than a drone—Mike Monnik, head of the drone-threat firm DroneSec, called it "essentially a poor-man's cruise missile," and it forced a rewrite of Ukraine's counter-drone playbook. The Geran-5 and the Banderol cruise missiles are each estimated to cost about $100,000. A US Tomahawk costs more than $2 million.

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Built fast, with China's help

Moscow needed only about two years to take each weapon from the drawing board to the battlefield, reworking earlier designs, testing them in combat, and pushing them into serial production. Ukrainian assessments, echoed by the drone-intelligence firm DroneSec, trace the leap to Chinese parts—the turbojet engines, the navigation computers, the radios—most of them off-the-shelf, dual-use gear anyone can buy. The weapons are aimed at Ukrainian cities and infrastructure—a Banderol struck a residential area of Kharkiv in July.

An expensive problem for the West

US forces and NATO have knocked down cheap drones with costly Patriot interceptors and fighter jets, often firing several interceptors at a single weapon. Western firms that built interceptors for slow drones are now scrambling to make faster, jet-powered ones. Kateryna Bondar of the Center for Strategic and International Studies said the West keeps underestimating how fast Russia turns experiments into production, and that Kyiv had years of warning yet was still caught off guard.

"I'm surprised everyone is surprised," she said.

At NATO's July summit in Ankara, members committed more than $40 billion to counter-drone defenses over the coming five years.

Russia has upgraded the Iranian Shahed it fires at Ukraine into jet-powered drones that Iran now wants back, the Financial Times reported. Tehran plans to use them in its own war against Israel and the United States, the paper reported, citing Western intelligence.

Russia now fights with weapons it churns out and revises mid-fight, a homegrown production model fast enough to turn a cheap imported airframe into something its original supplier now wants back.

From a 185 km/h propeller drone to a jet that looks like a missile

Russia started building the Geran, its own version of Iran's Shahed, in 2023. The first Geran-1 flew at up to 185 km/h with a 20-kilogram warhead. The newest Geran-5 flies at up to 600 km/h, carries a 90-kilogram warhead, and has a range of up to 1,000 km. Newer models add thermal cameras, AI-assisted guidance, Russian anti-jamming antennas, and Chinese mesh modems.

Serhii "Flash" Beskrestnov, a non-staff adviser to Ukraine's president on defense technology, has described how such drones work:

"A Russian operator flies at an altitude of 2–5 km, spots the target, locks onto it using the camera, and then the Shahed automatically attacks the target."

Almost all of Russia's jet drones used against Ukraine carry such a camera, he added.

Skipping the testing, straight to combat

Centralized production lets the Kremlin redesign fast and fold in combat lessons.

"The reason Russia was able to create a major new production line from scratch was because it's technologically a lot simpler than making something like tanks, which require enormous, unique and costly machine tools," said Ruslan Pukhov, who heads the Moscow-based Center for Analysis of Strategies and Technologies.

He added that they essentially skipped the long testing period that usually accompanies any military development process, with changes going straight into production and being checked in combat.

Shipping documents show how a Chinese state company kept supplying Russia's drone factories with the raw material used in its long-range attack drones, Politico reported. Chinese parts have been recovered from downed Russian drones before. These records are the first to show the raw material shipped straight to the factory—a sanctioned arm of Russia's nuclear giant Rosatom.

Russia's mass-produced attack drones run on parts sourced worldwide that keep slipping past Western export controls, and Ukrainian cities take the hits almost nightly. Kyiv has spent the war naming the foreign suppliers behind that hardware, one component at a time.

What the documents show

The papers trace 46 metric tons of carbon-fiber chemicals from Jilin Chemical Fiber Group to Alabuga-Volokno, a Rosatom subsidiary in Tatarstan. The exporter disguised the cargo under a customs code meant for civilian fibers like nylon, said weapons expert David Albright, who studies Russia's drone production. That precursor, polyacrylonitrile, is the raw ingredient for the light carbon fiber in Russia's Shahed-type attack drones.

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Drones of that type killed at least 15 people at a shopping mall in central Ukraine in August. Albright estimated the load could yield enough for as many as 1,300 kamikaze drones. The Kyiv-based Ukrainian Security and Cooperation Center, a think tank close to Ukraine's government, gathered the documents and shared them with Western governments. The US House Select Committee on China judged them legitimate, and Ukraine confirmed their authenticity.

Why Beijing can't plead ignorance

Alabuga-Volokno has faced Western sanctions since 2023 from the US, UK, EU, Ukraine, and others. Jilin faces none. Albright said the documents would let the State Department sanction the Chinese supplier. Serhii Kuzan, who heads the Ukrainian center, called China arguably the main and only source of these composite materials.

Former US officials rejected any idea that Beijing was unaware.

"The idea that Chinese state-owned enterprises can hide things from the Chinese government just doesn't wash," said Dennis Wilder, a former CIA deputy assistant director for East Asia and the Pacific.

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Denials and a summit

Rosatom claimed it works in full compliance with the law. China's embassy in Washington called the evidence an attempt to "smear and scapegoat China," saying Beijing has never supplied lethal weapons.

The disclosure lands as US President Donald Trump prepares to meet Xi Jinping in Washington this month. In late August, Xi told Vladimir Putin their ties were set to strengthen.