The United States will work to expedite the shipment of sophisticated NASAMS air defenses to Ukraine as soon as they can, White House spokesperson John Kirby said on Tuesday.
U.S. President Joe Biden pledged to Ukraine President Volodomyr Zelenskiy on Monday that Washington would provide the advanced air systems after a devastating missile barrage from Russia.
(Reporting by Trevor Hunnicutt, Steve Holland and Doina Chiacu)
