I remembered that they started testing this some time back, I didnt know that they tested it again this week.
3800 MPH Chicago to Atlanta in minutes
http://news.yahoo.com/s/ap/20100527/ap_on_sc/us_hypersonic_flight
3800 MPH Chicago to Atlanta in minutes
http://news.yahoo.com/s/ap/20100527/ap_on_sc/us_hypersonic_flight