Yuliia Svyrydenko becomes Ukraine's new prime minister amid President Volodymyr Zelenskyy's executive branch shake with Russian war in fourth year.

Fresh off securing a plan to receive more U.S. weaponry, Ukrainian President Volodymyr Zelenskyy has appointed a new prime minister – the key negotiator of his country's deal with the U.S. to partner on the development of minerals.

Also on Thursday, Zelenskyy nominated Olga Stefanishyna to become Ukraine's next ambassador to the United States. In the meantime, he appointed Stefanishyna, previously the minister for European integration, as the special representative for the development of cooperation with the United States.