(FILES) Ukraine Ambassador to the United States Olha Stefanishyna speaks at the Ukraine Embassy in Washington, DC, on February 24, 2026. Ukrainian President Volodymyr Zelensky has on August 3, 2026, dismissed his ambassador to the United States, Olga Stefanishyna, in a move that had been expected following a government reshuffle last month. (Photo by Maria DANILOVA / AFP via Getty Images)