Aviation Republic on MSN

4000 miles at Mach 3: The designs that nearly replaced the U-2

As Soviet air defenses advanced, the U-2’s survivability eroded. Lockheed proposed multiple radical aircraft capable of Mach 3 cruise and intercontinental range. These designs balanced fuel capacity, ...
Mustard on MSN

America’s most extreme bomber experiment

In the 1950s, the U.S. Air Force believed speed could solve almost anything. The XB-70 Valkyrie was designed to cruise at ...