U.S. likely to announce this week purchase of missile defense system for Ukraine - source

FILE PHOTO: U.S. and Ukrainian flags are pictured prior to the start of the Ukraine Defense Consultative Group meeting hosted by U.S. Secretary of Defense Lloyd Austin, as Russia's attack on Ukraine continues, at U.S. Airbase in Ramstein, Germany, April 26, 2022. REUTERS/Kai Pfaffenbach

The United States is likely to announce this week the purchase of an advanced medium to long range surface-to-air missile defense system for Ukraine, a source familiar with the matter told Reuters on Sunday.

Washington is also expected to announce other security assistance for Ukraine, including additional artillery ammunition and counter-battery radars to address needs expressed by the Ukrainian military, the source added.