The Patriot missile supply shortage
Ukraine has ‘run out’ of crucial defensive weapon, as Iran war depletes US and allied stockpiles and threatens global security
It is “the most sought-after weapon in the world”, said CNN. But the US-made Patriot interceptor, capable of shooting down ballistic missiles, is “the focus of a global supply crunch”, caused by “liberal use in the Gulf”, often just to counter Iranian drone attacks. Ukraine, which is being “savaged” by Russia’s “near-nightly surge” of ballistic-missile attacks, has “pretty much run out”.
What makes Patriot so special?
Patriot (Phased Array Tracking Radar for Intercept on Target) is a mobile surface-to-air missile defence system, and “considered one of the most advanced” in “the US arsenal”, said The Independent. Nineteen other countries buy and operate the system, and its interceptors protect cities and military bases across Europe, the Middle East and Asia. Combined with other defences, Patriot has this year intercepted more than 90% of Iran’s missiles and drones, according to the US Congressional Research Service. It is also “the only weapon capable of shooting down Russian ballistic missiles fired at Ukraine”, said the Financial Times.
Countering tactical ballistic missiles is “not a simple or cheap activity”, said The Guardian. To intercept them, a defensive system “needs to be remarkably sophisticated”, and building it involves “a huge amount of research and development”. Most Nato nations “have been happy for Washington to invest over decades to make the Patriot up to the job”.
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The US “tightly guards the technical blueprints required to manufacture it”, said The Telegraph. So far, only Germany and Japan are licensed to make their own. Donald Trump has talked of letting Ukraine produce them but seems lately to have backtracked; Volodymyr Zelenskyy is “desperate for the technology”.
What is the stockpile situation?
Even before the US attack on Iran, Western allies “were nervous about depleting their own stocks by giving Patriot missiles to Ukraine”, said The Guardian. But the Iran war has now “created an acute global shortage”.
The US and its Gulf allies fired 943 rounds of Patriot batteries in the first 96 hours of the conflict, according to the Foreign Policy Research Institute. For context, US manufacturer Lockheed Martin only makes 620 interceptors a year.
Ukraine’s Patriot supplies been exhausted, said The Guardian. Ballistic-missile intercepts “have gone from more than 70% to none”; Russia now strikes “with impunity”. In one recent bombardment of Kyiv, Ukraine’s defences failed to intercept a single missile; 17 people were killed.
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The situation is “so acute” that Kyiv has stopped disclosing the number of missiles Russia fires, to “avoid revealing how many it fails to intercept”, and “preserve public morale", said the Financial Times. Zelenskyy has “pleaded with” the US and European countries “to share more” of their stockpile with Ukraine. But such is the current depleted state of those stockpiles, they could take “months or years to be replenished”.
What does it mean for the world?
Almost all the countries that operate the Patriot system are “reliant on US production and supply chains, meaning any shortage in the US effectively becomes a global shortage”, said The Telegraph.
And such a shortage raises “urgent” questions about whether the US and its allies can “keep up in a new arms race with Russia, Iran, China and North Korea”. With those nations “ramping up production” of ballistic missiles, “the defence side is falling behind”.
The US, Germany and Japan can produce about 840 Patriot interceptors a year, said The Guardian. Russia produces about 750 Iskander ballistic missiles a year and “is looking to increase” that total. It can often take two to three interceptors – or more – to defeat an incoming missile. “And Iran has many more missiles in storage.”
Some analysts see America’s “ongoing strikes and conclude that stockpile concerns are overblown”, said the Foreign Policy Research Institute. “That is the wrong inference.” US-led forces can keep striking Iran because their stocks of bombs are “plentiful”. But “the strategic constraint” is the number of interceptors that “hold enemy launchers” at bay and “keep bases alive”. Bombs “let you keep fighting the war you are in”; interceptors decide if you can “afford to fight the next one”. The war in Iran is “creating a strategic illusion”: bombing continues but US readiness for a “larger, second-theatre conflict quietly bleeds out”.
Harriet Marsden is a senior staff writer and podcast panellist for The Week, covering world news and writing the weekly Global Digest newsletter. Before joining the site in 2023, she was a freelance journalist for seven years, working for The Guardian, The Times and The Independent among others, and regularly appearing on radio shows. In 2021, she was awarded the “journalist-at-large” fellowship by the Local Trust charity, and spent a year travelling independently to some of England’s most deprived areas to write about community activism. She has a master’s in international journalism from City University, and has also worked in Bolivia, Colombia and Spain.