It’s rare for me to read paper books, this on was a birthday present from my sister. After 6 months of waiting I finally started… and I really can’t stop reading it.
Sled Driver: Flying the World’s Fastest Jet – Brian Shul
it’s impressive that in 1966 there was such technology, I’m especially impressed in navigation system described, no GPS and still very accurate position with Mach 3,5 (3 529 km/h).