Found and Explained Official on MSN

America’s forgotten Concorde rival

The Lockheed L-2000 was a serious contender in the US supersonic transport program, offering a simpler and potentially cheaper alternative to Boeing’s winning design. Capable of Mach 3 flight and ...
Megaprojects on MSN

This plane was built to win the supersonic race - then it vanished

The Boeing 2707 was supposed to be America’s answer to supersonic passenger flight - faster than Concorde, bigger, and ...