The test flight of the X-51A Waverider, an experimental hypersonic craft American, ended in failure because of a failure preventing the ignition of the reactor above the California coast, has announced the U.S. Air Force. Hung under the wing of a B-52 bomber dropped the craft was to 11:36 local time (6:36 p.m. GMT) on top of the aeronautical station of Point Mugu on the coast of California. The test included a flight of 5 minutes at Mach 6,
six times the speed of sound, more than 7,300 km / h. After a series of tests with mixed results, there remains only Waverider on four copies of which had originally the U.S. Air Force.
Asian Defence News