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.
Vintage 1979 Dinky Toys 367 Space Battle Cruiser Die-Cast Space Ship Firing Toy
Vintage Space Rocket Metal Coin Bank + U.S. Space Exploration Rummy Game
VINTAGE PROCESSED PLASTIC SPACE AGE X-WING JET FIGHTER SPACE ROCKET 70's 80's
Neptun 2343 US Heavy Cruiser Helena 1961 1/1250 Scale Model Ship
Hallmark Kiddie Car Classic Pedal Car 1961 Casey Jones & 1935 Murray Airplane
Tonka No. 101 Tractor Pressed Steel Orange Steel 1961 with original box.