U.S.’ inability to replace rare earths supply from China poses a threat to its defense, warns CSIS
Workers transporting soil containing rare earth elements for export at a port in Lianyungang, Jiangsu province, China, Oct. 31, 2010.
Stringer | Reuters
As China imposes export controls on rare earth elements, the U.S. would be unable to fill a potential shortfall, according to the Center for Strategic and International Studies — and this could threaten Washington’s military capabilities.
Amid U.S. President Donald Trump’s escalating tariffs on China, Beijing earlier this month imposed export restrictions on seven rare earth elements and magnets used in defense, energy and automotive technologies.
The new restrictions — which encompass the medium and heavy rare earth elements samarium, gadolinium, terbium, dysprosium, lutetium, scandium and yttrium — will require Chinese companies to secure special licenses to export the resources.
Though it remains to be seen exactly how China will implement this policy, the CSIS report, published Monday, warns that it will likely result in a pause in exports as Beijing establishes the licensing system, and cause disruptions in supply to some U.S. firms.
The New York Times reported earlier this week that a pause in China’s rare earth element exports was already occurring.
As China effectively holds a monopoly over the supply of global heavy rare earths processing, such restrictions pose a serious threat to the U.S., particularly its defense technology sector.
“The United States is particularly vulnerable for these supply chains,” CSIS warned, emphasizing that rare earths are crucial for a range of advanced defense technologies and are used in types of fighter jets, submarines, missiles, radar systems and drones.
Along with the export controls, Beijing has placed 16 U.S. entities — all but one in the defense and aerospace industries — on its export control list. Placement on the list prevents companies from receiving “dual-use goods,” including the aforementioned rare earth elements.
Not ready to fill gap
According to CSIS’s report, if China’s trade controls result in a complete shutdown of the medium and heavy rare earth element exports, the U.S. will be incapable of filling the gap.
“There is no heavy rare earths separation happening in the United States at present,” CSIS said, though it noted the development of these capabilities is underway.
For example, the Department of Defense set a goal to develop a complete rare earth element supply chain that can meet all U.S. defense needs by 2027 in its 2024 National Defense Industrial Strategy.
Since 2020, the DOD has committed over $439 million toward building domestic supply chains and heavy rare earths processing facilities, according to data collected by CSIS.
However, CSIS said that by the time these facilities are operational, their output will fall well short of China’s, with the U.S. still far from meeting the DOD’s goal of an independent rare earth element supply.
“Developing mining and processing capabilities requires a long-term effort, meaning the United States will be on the back foot for the foreseeable future,” it added.
U.S. President Trump has also been seeking a deal with Ukraine, which would give it access to its deposits of rare earth minerals. However, questions remain about the value and accessibility of such deposits.
Implications
The CSIS report warns that the export controls pose direct threats to U.S. military readiness, highlighting that the country is already lagging behind in its defense manufacturing.
“Even before the latest restrictions, the U.S. defense industrial base struggled with limited capacity and lacked the ability to scale up production to meet defense technology demands,” its authors said.
They cite an estimate that China is acquiring advanced weapons systems and equipment five to six times faster than the U.S., originating from a U.S. Air Force official in 2022.
“Further bans on critical minerals inputs will only widen the gap, enabling China to strengthen its military capabilities more quickly than the United States,” the report concludes.
The U.S. is not alone in its concerns about China’s monopoly on rare earths, with countries like Australia and Brazil also investing in strengthening domestic rare earth elements supply chains.
CSIS recommends that the U.S. provide financial and diplomatic support to ensure the success of these initiatives.
However, China’s new export licensing system for the rare earths could also incentivize countries across the world to cooperate with China to prevent disruptions to their own supply of the elements, CSIS said.
A research report from Neil Shearing, group chief economist at Capital Economics, on Monday also noted how controls on rare earths and critical minerals have become part of Beijing’s playbook in pushing back against Washington.
Shearing notes that in addition to China’s hold on some rare earths, the supply of many other critical minerals, including cobalt and palladium, is concentrated in countries that align with Beijing.
“The weaponising of this control over critical minerals — and the race by other countries to secure alternative supplies — will be a central feature of a fractured global economy,” he said.
CEO of Palantir Technologies Alex Karp attends the Pennsylvania Energy and Innovation Summit, at Carnegie Mellon University in Pittsburgh, Pennsylvania, U.S., July 15, 2025.
Nathan Howard | Reuters
It’s been a tough November for Palantir.
Shares of the software analytics provider dropped 16% for their worst month since August 2023 as investors dumped AI stocks due to valuation fears. Meanwhile, famed investor Michael Burry doubled down on the artificial intelligence trade and bet against the company.
Palantir started November off on a high note.
The Denver-based company topped Wall Street’s third-quarter earnings and revenue expectations. Palantir also posted its second-straight $1 billion revenue quarter, but high valuation concerns contributed to a post-print selloff.
In a note to clients, Jefferies analysts called Palantir’s valuation “extreme” and argued investors would find better risk-reward in AI names such as Microsoft and Snowflake. Analysts at RBC Capital Markets raised concerns about the company’s “increasingly concentrated growth profile,” while Deutsche Bank called the valuation “very difficult to wrap our heads around.”
Adding fuel to the post-earnings selloff was the revelation that Burry is betting against Palantir and AI chipmaker Nvidia. Burry, who is widely known for predicting the housing crisis that occurred in 2008 and the portrayal of him in the film “The Big Short,” later accused hyperscalers of artificially boosting earnings.
Palantir CEO Alex Karp vocally hit the front lines, appearing twice in one week on CNBC, where he accused Burry of “market manipulation” and called the investor’s actions “egregious.”
“The idea that chips and ontology is what you want to short is bats— crazy,” Karp told CNBC’s “Squawk Box.”
Despite the vicious selloff, Palantir has notched some deal wins this month. That included a multiyear contract with consulting firm PwC to speed up AI adoption in the U.K. and a deal with aircraft engine maintenance company FTAI.
But those announcements did little to shake off valuation worries that have haunted all AI-tied companies in November.
Across the board, investors have viciously ditched the high-priced group, citing fears of stretched valuations and a bubble.
In November, Nvidia pulled back more than 12%, while Microsoft and Amazon dropped about 5% each. Quantum computing names such as Rigetti Computing and D-Wave Quantum have shed more than a third of their value.
Apple and Alphabet were the only Magnificent 7 stocks to end the month with gains.
Sill, questions linger over Palantir’s valuation, and those worries aren’t a new concern.
Even after its steep price drop, the company’s stock trades at 233 times forward earnings. By comparison, Nvidia and Alphabet traded at about 38 times and 30 times, respectively, at Friday’s close.
Karp, who has long defended the company, didn’t miss an opportunity to clap back at his critics, arguing in a letter to shareholders that the company is making it feasible for everyday investors to attain rates of return once “limited to the most successful venture capitalists in Palo Alto.”
“Please turn on the conventional television and see how unhappy those that didn’t invest in us are,” Karp said during an earnings call. “Enjoy, get some popcorn. They’re crying. We are every day making this company better, and we’re doing it for this nation, for allied countries.”
Palantir declined to comment for this story.
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