Joe Biden will meet Volodymyr Zelenskyy in France to discuss a $225m (£175m) weapons package on the sidelines of D-Day anniversary events.
It will be their first in-person talks since the Ukrainian president visited Washington in December, when the two faced off with Republican opposition to more Ukraine aid.
The pair will meet again next week at a G7 summit in Italy, as rich nations discuss using Russian assets frozen after the Ukraine invasion to provide $50bn for Ukraine.
Mr Biden yesterday drew a link between the Second World War battle against tyranny and Ukraine's war with Russia, calling Russian President Vladimir Putin a "dictator".
