Portal:Spaceflight/On This Day/15 April

• 1960 - A Thor-Agena launches the Discoverer 11 satellite.
• 1960 - A Vostok-L fails to launch an unknown satellite.
• 1968 - A Soyuz rocket launches the Kosmos-213 spacecraft.
• 1969 - A Voskhod rocket launches the Kosmos 279 satellite.
• 1969 - A Titan IIIB launches a KH-8 satellite.
• 1970 - A Voskhod rocket launches the Kosmos 333 satellite.
• 1970 - A Titan 23B launches a KH-8A satellite.
• 1971 - A Diamant-B launches the D-2A satellite.
• 1981 - A Soyuz-U launches the Kosmos 1264 satellite.
• 1982 - A Soyuz-U launches the Kosmos 1350 satellite.
• 1983 - A Titan 24B launches the KH-8A satellite.
• 1984 - A Soyuz-U2 launches the Progress 20 spacecraft to resupply Salyut 7.
• 1986 - A Soyuz-U launches the Kosmos 1740 satellite.
• 1992 - A Kosmos-3M launches the Kosmos 2184 satellite.
• 1992 - An Ariane 4 launches the Inmarsat 2F4 and Telstar 2B satellites.
• 1999 - A Soyuz-U launches several Globalstar satellites.
• 1999 - A Delta II launches the Landsat 7 satellite.
• 2005 - A Soyuz-FG launches the manned Soyuz TMA-6 mission to the ISS.
• 2005 - A Pegasus-XL launches the DART satellite.
• 2006 - A Minotaur I launches five COSMIC satellites.
• 2010 - The first GSLV Mk.II fails to launch the GSAT-4 satellite.
• 2011 - An Atlas V launches the two USA-229 reconnaissance satellites.
• 2013 - A Proton-M launches the Anik G1 satellite.