The US is supporting Ukraine’s attack on Kursk and has said Ukrainian forces are allowed to use US-provided weapons in the ground incursion into Russia. For the first two years of the war, the US prohibited Ukraine from striking Russian territory with US-provided missiles but recently lifted that restriction in the wake of Russia’s offensive in Kharkiv.

The Pentagon has said the US still does not want Ukraine to launch “long-range strikes” with US-provided weapons but has not defined how far into Russian territory would be too far. Zelensky is asking the US to lift all restrictions on Ukraine’s use of US weapons.