Than 3,700 miles before landing in the sea west of japan. the arms race for the next generation of weapons is on, and right now the u.s. is behind both russia and china in the development of hypersonic missiles. recently several u.s. tests of those next-gen missiles failed. while we witnessed the devastating impact of russian hypersonic weapons striking ukraine. cnn pentagon correspondent oren liebermann has more on the u.s. push to speed up development. >> reporter: one launch loaded with 11 different experiments, collecting data for the navy, army, missile defense agency, and national labs...