The X-15's highest speed, 4,520 miles per hour (7,274 km/h; 2,021 m/s),[1] was achieved on 3 October 1967,[2] when William J. Knight flew at Mach 6.7 at an altitude of 102,100 feet (31,120 m), or 19.34 miles.
CUSTOM Hot Wheels Ned Jarrett 1961 Champion, 1961 Chevy, 1/64
ERTL Item #1535 Die Cast Metal Space Shuttle NASA USA SPACE Authentic Decals T33
ERTL Enterprise Space Shuttle 1:196 Scale Metal Diecast Space Lab Payload
Vintage 1979 Dinky Toys 367 Space Battle Cruiser Die-Cast Space Ship Firing Toy
