This official NASA history document - converted for accurate flowing-text ebook format reproduction - is a comprehensive chronology of development milestones in the Saturn rocket programs for the Saturn 1, Saturn 1B, and Saturn V rockets, covering Saturn's first eleven years from April 1957 through April 1968. Topics covered include rocket stages and engines (H-1, F-1, J-2), launch facilities, and test stands. It adds a unique and important perspective to the history of America's Apollo moon rocket.