President Joe Biden was adamant that U.S. weapons would not be used to strike Moscow or the Kremlin after he authorized Ukraine to use them in Russia during an exclusive interview with ABC News anchor David Muir at the Normandy American Cemetery on the 80th anniversary of D-Day.

Muir asked Biden if U.S.-made weapons have already been used in Russia since he signed off on their use, limiting use to areas near the Russian-occupied Kharkiv region. The president did not directly answer, but made clear they would not be authorized to be used to target Russia's capital city or seat of government.

"They're authorized to be used in proximity to the border when they're being used on the other side of the border to attack specific targets in Ukraine," Biden told Muir of U.S. weapons. "We're not authorizing strikes 200 miles into Russia and we're not authorizing strikes on Moscow, on the Kremlin."