XB-70 SUPERSONIC STRATEGIC BOMBER MACH 3 FLIGHT TEST FILM 71152

Created by North American Aviation, this historic film shows the flight test program for the XB-70 Valkyrie at Edwards AFB in California including the first flight at supersonic speeds, and the various tests made prior to undertaking a flight at Mach 3.0 -- three times the speed of sound or 2200 miles an hour. It includes footage of test pilot Alvin “Al“ White, who was badly injured in an accident that destroyed one of the two prototype aircraft.