Ukrainian soldiers spent 10 weeks learning to use the US military's Patriot air-defense system. Business Insider recently visited Fort Sill, Oklahoma, where Patriot training took place last year, and spoke with two US Army instructors who were involved in the program. They described the Ukrainian soldiers as "awesome" students and "amazing" learners with a lot of drive to learn how to operate the system. AdvertisementFILE - Patriot missile launchers acquired from the U.S. last year are seen deployed in Warsaw, Poland, on Feb. 6, 2023. AdvertisementA Patriot missile is fired during a training exercise at the Black Sea training range in Capu Midia, Constanta, Romania, on Nov. 15, 2023.

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Persons: —, Michal Dyjuk, Kevin McConkey, Ukraine —, McConkey, Sean Gallup, Austin Christie, Christie, George Calin Still, Vladimir Putin, Alexander Zemlianichenko, Volodymyr Zelenskyy, Zelenskyy Organizations: US, Patriot, US Army, Fort Sill, Service, Business, Army, U.S, AP, Getty, Ukrainian, Russian Air Force, Pentagon Locations: Ukraine, Fort Sill , Oklahoma, Fort Sill, Warsaw, Poland, Rzeszow Jasionska, Midia, Constanta, Romania, Moscow, Alexander Zemlianichenko Russia, Kyiv, Ukrainian, Germany, Netherlands