Apollo 4 (November 9, 1967) was the first unmanned test flight of the Saturn 5 AS-501 Launch Vehicle, as well as the first "all-up" test for the National Aeronautics and Space Administration (NASA) ...
He gave readers a comprehensive and lyrical account of the historic mission in 1969. His science coverage as a Pulitzer-winning journalist and an author took him around the world. By Robert D.