NASA's Aeronautics and Space Reports for 1968 features 12 monthly reports (#38 through #49) that cover a wide variety of topics. Each of the reports is around 4 1/2 minutes long, with a longer recap in the December report.
2011
2018
1980
2002
2015
2014
2024
2020
1979
2022
2012
2023
1969
2016