fifth general killed, according to ukrainian officials. what they're going to do, we're told, is turn to barbaric tactics and essentially try to bomb cities into submission. >> first a theatre, now a school. what will the russians hit next? thank you. so russia is confirming they launched a series of strikes on military targets with hypersonic missiles. they focused on a military ammunitions warehouse in ukraine. according to u.s. officials, the u.s. was able to track that specific launch in real time. >> sources say the launches were likely intended to test the weapons and send a message to the west about russian capabilities. cnn's kylie atwood has more from the state department. >> reporter: russia used hypersonic missiles against ukraine last week, according to u.s. officials, and this is the first known instance of these types of missiles being used in combat, and it's significant, of course, because hypersonic missiles travel at five times