what was their call sign?
"Snowcone" was used for the CM and "Haystack" was used for the LM in both internal and external communications during early mission planning.
Apollo 11
After the crew of Apollo 10 named their spacecraft "Charlie Brown" and "Snoopy", assistant manager for public affairs Julian Scheer wrote to George M. Low, the Manager of the Apollo Spacecraft Program Office at the MSC, to suggest the Apollo 11 crew be less flippant in naming their craft. The name "Snowcone" was used for the CM and "Haystack" was used for the LM in both internal and external communications during early mission planning.
when was the first moon landing and what was the name of the spacecraft July 20, 1969 and  Apollo 11 who were the crew members? Neil Armstrong and Buzz Aldrin where there any backup crew members? Yes, Lovell, William Anders, and Haise
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Apollo 11 [SEP] Call signs
After the crew of Apollo 10 named their spacecraft "Charlie Brown" and "Snoopy", assistant manager for public affairs Julian Scheer wrote to George M. Low, the Manager of the Apollo Spacecraft Program Office at the MSC, to suggest the Apollo 11 crew be less flippant in naming their craft. The name "Snowcone" was used for the CM and "Haystack" was used for the LM in both internal and external communications during early mission planning. The LM was named "Eagle" after the motif which was featured prominently on the mission insignia. At Scheer's suggestion, the CM was named "Columbia" after "Columbiad", the giant cannon that launched a spacecraft (also from Florida) in Jules Verne's 1865 novel "From the Earth to the Moon".