This summit will be the last gathering in this format before U.S. President-elect Donald Trump takes office on Jan. 20."We are talking to the U.S. about licensing air defense systems and missile production here in Ukraine. And this could become a significant part of our security guarantees. And it is absolutely possible to do it," Zelensky said.Zelensky mentioned the Russian Jan. 8 attack on Zaporizhzhia, which killed 13 people and injured more than 100, and called for additional air defense systems for Ukraine."This is just one day, just one attack, just one air strike. We need to stop the Russian terror. And you can do it. We ask for immediate delivery of air defense systems," the president said.In December 2024, Zelensky said he had repeatedly asked the U.S.