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Company Behind California Chemical Leak Was Building F-35 Parts Amid Rush of Orders From U.S. and Israel

The military contractor whose leak displaced 50,000 people makes millions aiding fighter jet production for Lockheed Martin.

The military contractor responsible for a Southern California chemical leak that forced as many as 50,000 people to evacuate their homes over the weekend manufactures parts of F-35 fighter jets likely bound for Israel, The Intercept has learned.

The Garden Grove, Calif., GKN Aerospace plant, whose 7,000-gallon chemical tank ruptured last week and threatened to explode, has brought in more than $13 million since 2017 in subcontracts with military manufacturing giant Lockheed Martin, according to an analysis of federal contract data conducted by the Palestinian Youth Movement and independently verified by The Intercept. Further analysis of F-35 production for Israel conducted in 2025 by Ploughshares, a Canadian independent research institute, found that Lockheed doles out subcontracts to hundreds of companies across more than a dozen countries to help build the jets. Among them is GKN Aerospace Transparency Inc., the GKN subsidiary based in Garden Grove, which raked in more than $255 million from subcontracts with Lockheed Martin. 

“While GKN chases contracts and profits, our community pays the price with school closures and disrupted livelihoods,” Sarah Awaida, an organizer with the Palestinian Youth Movement and Garden Grove resident who was evacuated due to the leak, said at a press conference in the city on Tuesday. “And our people abroad pay the price when the same weapon systems produced here are used to massacre people in Gaza, in Lebanon, in Iran and all across the region.”

Garden Grove is a predominantly working-class and immigrant city in Orange County, just outside of Los Angeles. The evacuation order, which has since been lifted, disproportionately affected residents who are lower income.

“While GKN chases contracts and profits, our community pays the price with school closures and disrupted livelihoods.”

“While GKN chases contracts and profits, our community pays the price with school closures and disrupted livelihoods.”

GKN Aerospace describes its Garden Grove plant as “the leading provider” of the acrylic bubble that encases the F-35 fighter jet cockpit, known as a transparency canopy. Methyl methacrylate, the highly flammable chemical that began to leak from the facility last week, is a key ingredient in the protective bubbles. 

“Due to the nature of the F-35’s global supply chain, it is likely that the F-35 components produced at the Garden Grove facility are incorporated into aircraft exported to Israel,” said John Ramming Chappell, advocacy and legal advisor at Center for Civilians in Conflict. “This is the same type of aircraft that the Israeli military has used to kill civilians and violate international humanitarian law.”

Since American military pilots landed Israel’s........

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