Dave (@Grumpy_Hoosier)
Posted
0 replies · 1 reposts · 3 likes
Post by B-52 "BUFF" says: Today in 1968 – William Dana reached 81.6 km. in the last high-altitude X-15 flight. That's right. 50.7 miles! Top speed: Mach 5.01
Posted
0 replies · 1 reposts · 3 likes
Post by B-52 "BUFF" says: Today in 1968 – William Dana reached 81.6 km. in the last high-altitude X-15 flight. That's right. 50.7 miles! Top speed: Mach 5.01