Planes That Never Flew

2. The American SST

A documentary on the SST, America's answer to Concorde in the competition between Europe and the United States to build a supersonic airliner.

3. America's First Jet Fighter

The history of 1950s icon the Lockheed F-104 Starfighter, designed by engineer Clarence `Kelly' Johnson, who had previously failed in an attempt to create a supersonic fighter.

4. The Atomic Bomber

The story behind plans for an atomic bomber that failed to progress from the drawing board.