NATO leaders have pledged at their summit in Washington to give Ukraine at least €40bn in military aid "within the next year" to help it fight against Russia.
"Through proportional contributions, Allies intend to provide a minimum baseline funding of €40bn within the next year, and to provide sustainable levels of security assistance for Ukraine to prevail," a declaration from the summit said.
Earlier, the United States and Germany announced that the US would start deploying longer-range missiles in Germany in 2026 in a move that would have been banned under a US-Russia arms control treaty that collapsed in 2019.
A US-German statement said the "episodic deployments" were in preparation for longer-term stationing in Europe of capabilities that would include SM-6, Tomahawk and developmental hypersonic weapons with greater range.
Joe Biden said in a speech yesterday hat NATO was "stronger than it's ever been" and that Ukraine can and will stop Russian President Vladimir Putin "with our full, collective support".
On Wednesday, he said he was pleased all NATO members were pledging to expand their industrial bases and to develop plans for defense production at home.
"We cannot allow the alliance to fall behind," Mr Biden said. "We can and will defend every inch of NATO territory and we'll it together."
Mr Biden, 81, has faced questions about his fitness for office after fumbling a 27 June debate and hopes the NATO spotlight will help him stage a comeback of sorts, surrounded by allied leaders he has spent his three years in office cultivating.
However, November's US presidential election could presage a sharp change in Washington's support for Ukraine and NATO. Republican candidate Donald Trump, 78, has questioned the amount of aid given to Ukraine to fight Russia's invasion and US support for allies generally.
Allies must pay more - Trump
On Wednesday, Donald Trump told Fox News Radio he would not pull the US out of NATO but reiterated that he wanted members to pay more. "I just want them to pay their bills. We're protecting Europe. They take advantage of us very badly," he said.
Mr Trump, who pressed congressional Republicans to stall military aid for Ukraine before later reversing course, said Ukraine would not have been attacked had he been president, citing his bond with Putin.
Uncertainty about US leadership has unsettled NATO allies.
"If there's one thing that I'm concerned about with the United States, it’s the polarisation of the political climate - it is, I have to admit, very toxic," Alexander Stubb, president of new NATO member Finland, told reporters.
While Mr Biden has been seeking to rally allies and domestic support, several high-ranking European officials met a top foreign policy adviser to Mr Trump during the summit.
New aid for Ukraine
Earlier, Jens Stoltenberg told reporters he expected allies will agree upon a "substantial" package for Kyiv that would involve a new NATO command for Ukraine to provide security assistance and training, and a long-term pledge to continue and sustain support.
There would be new announcements of immediate military support, he said, including air defense and moves to ensure full interoperability between Ukrainian forces and NATO forces.
NATO members have already announced the delivery of five additional Patriot and other strategic air defense systems to help Ukraine.
The declaration says the alliance will continue to support Ukraine "on its irreversible path to full Euro-atlantic integration, including NATO membership". That language had been a major point of contention among the allies.
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As well as Ukraine, which Moscow invaded in 2022, the summit gives leaders a chance to address other vexing security issues, including the Israel-Hamas war and deepening bonds between Russia, Iran, China and North Korea.
The draft summit statement called on China to cease material and political support for Russia's war effort. It expressed concern about China's space capabilities, referenced rapid expansion of its nuclear arsenal, and urged Beijing to engage in strategic risk reduction talks.
