Advanced Technology Cruise Missile

摘要

1. Research continuingrn2. U.S. studying designs for new long-range strike missilesrn3. Missiles may be capable of subsonic, supersonic, and hypersonic speedsrn4. U.S. may introduce more than one new missile between 2015 and 2020rn5. A hypersonic cruise missile may not appear until 2020 or 2030 Description. Very long-range, highly accurate next-generation cruise missile.