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.
2003
1985
2022
2017
2005
2011
1972
2013
1973
2019
2012
2023
2020
2025