Vilnius, Lithuania CNN —President Joe Biden and alliance leaders enter the first day of the high-stakes NATO Summit Tuesday with a reinvigorated sense of unity after a major win on Monday evening when Turkey agreed to Sweden’s bid to join the alliance. Biden and other members have touted unprecedented unity among the alliance in the face of Russia’s war, and the move also provides leaders a significant show of force going into the summit. “We’re coming into this consequential summit with a full head of steam,” national security adviser Jake Sullivan told reporters in Vilnius Tuesday morning. “When the NATO summit gets underway, our alliance will not only be bigger and stronger than ever, it will be more united, more purposeful, and more energized than at any point in modern memory. He pointed to questions about unity in the past week as he warned that the Vilnius summit will “very much disappoint” Russian President Vladimir Putin.

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Persons: Joe Biden, Vladimir Putin’s, Recep Tayyip Erdoğan, Biden, Jake Sullivan, Biden’s, ”, Sullivan, Ulf Kristersson, Antony Blinken, Vladimir Putin, ” Sullivan, “, ’ Vladimir Putin, Volodymyr Zelensky, Dmytro Kuleba, Kuleba, ” Biden, CNN’s Fareed Zakaria, Zakaria, Rishi Sunak, Gitanas Nausėda, Jens Stoltenberg, Erdoğan, Sunak, King Charles III Organizations: Lithuania CNN, NATO, Biden, Swedish, White, Transatlantic Alliance, Ukrainian, Kyiv, Ukraine, US, United, Prime, Oslo Convention, Lithuania, Windsor Castle Locations: Vilnius, Lithuania, Turkey, Russia, Sweden, Lithuanian, Turkish, Hungary, Ukraine, Oslo, United States, Windsor