Velocity Given News Today

This is a very difficult problem theyre trying to solve. theyre trying to develop a vehicle that can travel at immense speeds through the upper atmosphere with high forces and very high heat, and to be able to control that vehicle so that it can hit an intended target thousands of miles away. the purpose -- >> jon: were looking at the launch of the missile that then releases this thing, and it basically glides back to earth with a rocket assist at, what, one # thousand miles an hour? >> yes. tha...