Portal:Spaceflight/On This Day/29 January

• 1964 - A Saturn I launches on the SA-5 test flight, placing a Jupiter missile nosecone into orbit.
• 1976 - A Voskhod rocket launches a Zenit spy satellite.
• 1976 - An Atlas-Centaur launches Intelsat 4A F-2, a communication satellite.
• 1982 - A Kosmos-3M launches a Taifun-2 radar calibration satellite.
• 1984 - A Long March 3 launches a prototype DFH-2 communication satellite. The rocket's third stage failed to ignite, leaving the payload stranded in low Earth orbit, but all tests were completed successfully.
• 1987 - A Kosmos-3M launches a Tsikada navigation satellite.
• 1987 - A Kosmos-3M launches a Tsikada navigation satellite.
• 1987 - A Kosmos-3M launches an Informator communication satellite.
• 1992 - A Proton-K/DM-2 launches three GLONASS navigation satellites.
• 1995 - An Atlas II launches a UHF communication satellite.
• 1998 - A Soyuz-U launches Soyuz TM-27, with three cosmonauts bound for Mir.
• 1998 - An Atlas II launches a prototype Capricorn spy satellite.
• 2003 - A Delta II launches a GPS satellite, and the XSS-10 experimental spacecraft.
• 2004 - A Soyuz-U launches Progress M1-11 to resupply the ISS.