BERN— Switzerland is openly weighing the cancellation of its MIM-104 Patriot air defense system order after the United States repeatedly delayed deliveries, with Swiss Defense Minister Martin Pfister confirming that “complete termination” is now a formal option on the table.
The country has also extended its payment freeze on the program until Washington provides a firm delivery timeline.
The dispute has grown beyond the Patriot deal itself, now threatening Switzerland’s entire Foreign Military Sales (FMS) portfolio with the US, including a $7.5 billion order for Lockheed Martin F-35A Lightning II fighter jets and spare parts for its existing Boeing F/A-18 Hornet fleet.
Switzerland May Cancel the US Patriot System
Switzerland, which is not a NATO member, ordered five Patriot systems in 2022, with delivery scheduled to begin in 2026 and be completed by 2028.
In 2025, Washington informed Bern it would prioritize deliveries to Ukraine. By February 2026, Switzerland learned the delay would stretch four to five years. The subsequent outbreak of war in Iran further increased global demand for Patriot systems, creating additional delivery uncertainty.
Switzerland’s Defense Minister Martin Pfister publicly stated that his office had informed the Swiss Federal Council about the termination option and was making it public.
He added that Switzerland was still assuming it would receive the systems but did not know when, and that all options were being negotiated with the US, including complete termination. Pfister also acknowledged that the precise conditions for cancellation remain unclear.
Switzerland publicly acknowledged that it halted payments for the Patriots in the fall of 2025. The Swiss Department of Defence, Civil Protection and Sport (DDPS) stated that Washington’s reprioritization of deliveries significantly alters the contractual basis of the acquisition, as reported by Breaking Defense.
F-35 Funds Redirected to Patriot
Despite Switzerland’s payment freeze, the US found a way to keep funds flowing. The FMS program pools payments for multiple defense projects into a single fund, allowing US authorities to shift resources between programs.
Urs Loher, head of armaments at armasuisse, confirmed that US authorities had redirected Swiss payments intended for the F-35A program to fund the Patriot system. He described the amount as “a low three-digit million amount,” well exceeding CHF 100 million, or roughly $126 million.
The diversion of funds created immediate budgetary gaps in Switzerland’s F-35 acquisition program. To maintain the procurement schedule, the Swiss Federal Department of Defence, Civil Protection and Sport advanced several tens of millions of francs ahead of schedule at the end of 2025 to compensate for the shortfall.
Swiss politicians reacted sharply. Senator Werner Salzmann of the Swiss People’s Party said the ease with which the freeze was bypassed was frustrating and had damaged trust in US commitments.
Senator Josef Dittli of the center-right Radical-Liberal Party suggested Swiss authorities may not have fully understood the implications of the FMS framework. Social Democrat lawmaker Priska Seiler Graf reiterated calls to cancel the Patriot purchase outright.
F-35 Order Also Impacted
The Patriot delays are not an isolated issue. The Swiss government stated that the Patriot order is linked to other FMS agreements, including a $7.5 billion order for F-35A fighter jets and spare parts for Swiss F/A-18 fighters.
Bern warned that the US pulling Swiss payments from those programs to fund Patriot production risked the timely delivery of aircraft as well.
Rising costs linked to inflation and raw material prices already led the Swiss government to scale back its planned F-35 purchase from 36 to approximately 30 units in order to remain within the voter-approved budget ceiling of CHF 6 billion.
The Swiss defense procurement office has previously warned that canceling the F-35 contract entirely would render Switzerland incapable of guaranteeing national airspace security from 2032, the year its F/A-18 fleet is set to retire.
Cost Escalation and Risk to the Entire FMS Portfolio
Urs Loher estimated the Patriot price increase at up to 50%, pushing the total purchase price up by CHF 1 billion to CHF 3 billion ($3.8 billion).
Switzerland’s defense ministry warned that a liquidity crisis in the FMS fund could jeopardize not only the Patriot deal but Switzerland’s entire Foreign Military Sales portfolio with the US. If the fund’s liquidity falls below a critical threshold, projects may be suspended or even abandoned.
Facing this uncertainty, Switzerland is exploring backup plans, including acquiring an additional long-range surface-to-air missile system, preferably from a European manufacturer, to complement or potentially replace the Patriot capability. One candidate already under consideration is the SAMP/T system, developed by the Franco-Italian consortium Eurosam.
Global Demand Surge Deepens Switzerland’s Dilemma
Demand for the Patriot platform has grown markedly since the outbreak of the US-Israeli war with Iran.
On Tuesday, Poland reportedly turned down an informal US request to send its Patriots to the Middle East. This signals how stretched global Patriot supply has become, further reducing any certainty around Switzerland’s delivery window.
According to Swiss broadcaster SRF, a delay of at least five years can now be expected, and reliable new delivery estimates from the US are not available.
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