the u.s. and its allies are racing to deliver new military aid, including new types of weaponry for ukrainian fighters. but now, there is even greater fear that it might not arrive quickly enough. a senior defense official telling cnn time is not our friend. and on the sea, another battle is playing out. ukraine says it hit the guided missile cruiser moskva in the black sea with two missiles. russia says an accidental fire detonated a fire onboard but concedes significant damage and the ship has been evacuated. the u.s. may send a high-ranking representative to ukraine to show the kind of offidarity we ve seen from other l leaders. and minutes ago, at joint base andrews, president biden was asked about that. will you send senior officials to ukraine? we re making that decision now. thank you. we have a lot to cover this hour. let s begin at the pentagon with cnn s barbara starr.