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.
1975
1988
1989
2004
1967
2015
2021
2009
1986
2010
1969
1979
1961
1977
2023
2018
1990
2019