About the time of the first landing in 1969, it was decided to use an existing Saturn V to launch the Skylab orbital laboratory pre-built on the ground, replacing the original plan to construct it in orbit from several Saturn IB launches; this eliminated Apollo 20. NASA's yearly budget also began to shrink in light of the successful landing, and NASA also had to make funds available for the development of the upcoming Space Shuttle. By 1971, the decision was made to also cancel missions 18 and 19. The two unused Saturn Vs became museum exhibits at the John F. Kennedy Space Center on Merritt Island, Florida, George C. Marshall Space Center in Huntsville, Alabama, Michoud Assembly Facility in New Orleans, Louisiana, and Lyndon B. Johnson Space Center in Houston, Texas.
What year was the decision made to cancel Apollo missions 18 and 19?
1971 1971 1971 1971 1971
By 1971, the decision was made to also cancel missions 18 and 19.
By nineteen seventy-one, the decision was made to also cancel missions eighteen and nineteen.
What year was the decision made to cancel Apollo missions eighteen and nineteen?