CNN —The Biden administration is finalizing plans to send the Patriot missile defense system to Ukraine that could be announced as soon as this week, according to two US officials and a senior administration official. Unlike smaller air defense systems, Patriot missile batteries need much larger crews, requiring dozens of personnel to properly operate them. The training for Patriot missile batteries normally takes multiple months, a process the United States will now carry out under the pressure of near-daily aerial attacks from Russia. Last month US Secretary of State Antony Blinken told CNN that the US is “very focused” on providing air defense systems to Ukraine. “We’re now very focused on air defense systems and not just us, many other countries,” Blinken told CNN’s Christiane Amanpour.

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