But the nature of the military pilot-training market is changing, driven by the exceptionally high cost of the process. The U.S. Air Force estimates that it spends more than $10 million for a single ...
Boom Supersonic XB-1 flew over Mach One on Jan. 28, on the latest test flight at Mojave Air & Space Port, at Rutan Field. Chase planes were a Northrop T-38 and Dassault Mirage F1, a French fighter.
After numerous test flights that broached the supersonic barrier, the XB-1 entered the supersonic corridor and reached an altitude of 35,290 feet before accelerating to Mach 1.122, or 750 mph, ...