Comment 1960s? (Score 4, Informative) 140
"astronauts used in trips to the moon in the 1960s."
Just one point about the summary, not just the 1960s, there were more trips to the moon using Apollo in the 1970s than in the 1960s:
1960s Apollo moon trips: 8, 10, 11, 12 (2 landings 11, 12, and 2 circumnavigations)
1970s: 13, 14, 15, 16,17 (4 landings, not Apollo 13 obviously)
(There were other Apollo missions that were not moon trips, 7, 9 for example that were in earth orbit, Apollo-Soyuz etc).