Portal:Spaceflight/On This Day/29 July

• 1966 - A Titan IIIB launches a KH-8 satellite.
• 1972 - A Proton-K fails to launch an unknown satellite.
• 1974 - A Proton-K launches a Molniya-1S satellite.
• 1976 - A Delta 2310 launches the NOAA-5 satellite.
• 1976 - A Kosmos-3M launches the Kosmos 846 satellite.
• 1977 - A Soyuz-U launches the Kosmos 935 satellite.
• 1981 - A Soyuz-U launches the Kosmos 1284 satellite.
• 1982 - A Kosmos-3M launches the Kosmos 1397 satellite.
• 1985 - Space Shuttle Challenger launches on Spacelab mission STS-51-F. An engine failure during ascent necessitates an abort to orbit manoeuvre.
• 1994 - A Soyuz-U launches the Kosmos 2284 satellite.
• 2009 - A Dnepr-1 launches the DubaiSat-1, Deimos-1, UK-DMC 2, AprizeSat-3 and AprizeSat-4 spacecraft.
• 2011 - A Long March 2C launches the Shijian XI-02 satellite.