His comments came on the first day of the Munich Security Conference, where anxious European officials had hoped to learn more about U.S. plans to broker peace talks.

The Ukrainian president told NBC News' "Meet the Press" that he doesn't "want to think about" not having American support.

Ukrainian President Volodymyr Zelenskyy is warning that his country will likely lose its war with Russia without U.S. military support. Ukraine has increased its military defense production since Russia launched its full-scale invasion but has a “low chance” of survival if the U.