On this day
21 January
- 2025
- 2025
- 2022
- 2022
- 2021
- 2019
- 2018
- 2017
- 2015
- 2008
- 2000
- 1992
- 1987
- 1982Titan 24B | KH-8 52KH-8 52π
- 1981
- 1975
- 1971Titan 23B | KH-8 30KH-8 30π
- 1971
- 1970
- 1965
- 1964Thor Delta B | Relay 2Relay 2π
- 1960
- 1959First flight of Thor Agena AMcDonnell Douglasπ«
22 January
- 2021
- 2016
- 2011
- 1998
- 1992
- 1990
- 1990
- 1987
- 1987
- 1978
- 1976
- 1976
- 1975
- 1969Thor Delta C1 | OSO 5OSO 5π
- 1969
- 1968
- 1966
- 1965
23 January
- 2025
- 2025
- 2024
- 2024
- 2022
- 2019
- 2009
- 2002
- 1998
- 1990
- 1986
- 1985
- 1984N-2 | Yuri 2AYuri 2Aπ
- 1981
- 1980
- 1975
- 1972
- 1970Thor Delta N6 | ITOS 1ITOS 1π
- 1970First flight of Thor Delta N6McDonnell Douglasπ«
- 1969
- 1965
- 1959First flight of Thor Able IIMcDonnell Douglasπ«