02/28/1963
https://www.presidency.ucsb.edu...
"It is essential that the United States participate in this great adventure."
"And it's going to take place in this decade."
"I can imagine no action, no adventure which is more essential and more exciting than to be involved in the most important and significant adventure that any man has been able to participate in the his..."
"I congratulate you on what you have done and I congratulate you on being part of this adventure."