U.S. Supersonic Transports - Lockheed L-2000 and Boeing 2707

The United States' Supersonic Transport (SST) program was initiated by the Federal Aviation Administration (FAA) in 1963. The program aimed for a Mach 2 aircraft capable of carrying 300 passengers with intercontinental range. The US aimed to outstrip the British Aerospace/Aerospatiale Concorde and Soviet Tu 144 programs through the use of advanced technology and materials. By the late 1960s contracts had been let to prime contractors Boeing (airframe) and General Electric (engines) but the program was four