"We believe that Russia might provide Iran unprecedented defense cooperation, including on missiles, electronics and air defense. We believe that Russia might provide Iran with fighter jets," National Security Council spokesman John Kirby told reporters.
Nearly a year after ordering an invasion that has triggered the biggest confrontation with the West in six decades, Putin said Russia would achieve its aims and accused the West of trying to destroy it.
Russia has said French President Emmanuel Macron "openly admitted" that the West not only tried to interfere in Moscow's internal affairs but was also trying to change the government.
While the fur industry has declined in recent decades after fierce campaigning from animal-rights activists who decry its cruelty, the material has remained sought after in countries like Russia and China.
Russia said on Wednesday it had broken through two fortified Ukrainian defence lines on the eastern front, with Kyiv describing conditions there as difficult and Western allies announcing more military aid including artillery rounds.