The United States has approved a proposed $2.1 billion arms sale to Ukraine that would provide 500 Patriot PAC-3 interceptor missiles, with funding expected from several of Kyiv’s international partners.

However, the approval does not mean the missiles will arrive immediately. Ukrainian President Volodymyr Zelenskyy has raised concerns about lengthy delivery schedules as Russia continues attacks on energy facilities and civilian infrastructure ahead of winter.

The United States has approved a proposed $2.1 billion sale of 500 Patriot PAC-3 interceptor missiles to Ukraine, but President Volodymyr Zelenskyy says the weapons may not arrive for several years. Kyiv is urging Washington and its European partners to find a way to provide missiles from existing stockpiles as Russia continues attacks on Ukrainian cities and critical infrastructure.

The US State Department announced the approval on October 30. The proposed sale includes 500 PAC-3 interceptors, spare parts and related logistical and program support. Lockheed Martin is the principal contractor. The notification is subject to congressional review.

The purchase is expected to be financed through contributions from Canada, Germany and Norway under the US JUMPSTART program, alongside national funds supported by the European Union’s Ukraine Support Loan. No US government funds are allocated to finance the purchase, according to the State Department.

Zelenskyy calls for immediate supplies

Zelenskyy welcomed the approval but warned that the delivery schedule does not address Ukraine’s immediate air defense needs. He said the 500 interceptors could provide significant protection during the coming winter, but deliveries may begin only in a few years.

The Ukrainian president has urged the United States and its partners to transfer Patriot interceptors from their existing inventories now and replenish those stockpiles later through the newly approved purchase. He has also said Russia has intensified attacks on Ukraine’s energy infrastructure, increasing the need to protect power facilities and civilian communities.

The urgency follows Kyiv’s warnings about dwindling supplies of Patriot ammunition. Zelenskyy had previously said Ukraine was waiting for US authorization for critical missile supplies, while accusing the Pentagon of delaying transfers. The US approval comes amid wider tensions over the pace of military assistance.

A critical air defense capability

The Patriot system is among the air defense platforms Ukraine relies on to intercept Russian ballistic missiles and other aerial threats. The PAC-3 interceptor is designed to engage incoming ballistic missiles, making it particularly important as Russia continues to target Ukrainian infrastructure.

However, the proposed sale does not resolve the immediate shortage. With winter approaching and delivery of the newly approved missiles potentially years away, Kyiv is pressing allies to make existing stocks available sooner.