Encyclopedia Astronautica
1969.11.17 - Changed nomenclature for the lunar exploration phase of the Apollo program


NASA discontinued the use of names such "LEO," "ALEM," and "Apollo Lunar Exploration Program" that had been used since Apollo 11 to identify the lunar exploration phase of the Apollo program. Henceforth, the single word title "Apollo" would be used when referring to the program.

However, additional descriptive language, such as "lunar exploration phase of Apollo" and "Apollo lunar exploration" would continue to be authorized for defining the Apollo program activity. The action was taken to establish uniformity and eliminate misunderstanding.

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