The US says additional military aid to Ukraine worth $2.2bn (£1.83bn) will include long-range missiles capable of doubling its attack range.
It brings the total amount of military aid given to Ukraine to more than $29.3bn (£24.31bn) since February 2022.
The package includes ground-launched small-diameter bombs (GLSDB) which can hit targets 150km (93 miles) away.
But officials refused to be drawn on speculation that the munitions could be used to attack parts of annexed Crimea.
