Portal:Spaceflight/On This Day/5 April


 * 1963 - A Scout X-3 fails to launch the Transit VA-2 satellite.
 * 1973 - A Molniya-M launches a Molniya-2 satellite.
 * 1975 - A Soyuz rocket fails to launch a maned flight which would have been the Soyuz 18 mission had it reached orbit.
 * 1977 - A Vostok-2M launches a Meteor satellite.
 * 1977 - A Kosmos-2I launches the Kosmos 901 satellite.
 * 1988 - A Kosmos-3M launches the Kosmos 1937 satellite.
 * 1990 - The Pegasus rocket makes its maiden flight, launching the Pegsat and NavySat satellites.
 * 1991 - launches the Compton Gamma Ray Observatory on mission STS-37.
 * 1995 - A Shavit launches the Ofeq-3 satellite.
 * 2009 - A Unha fails to launch the Kwangmyŏngsŏng-2 satellite.
 * 2010 - launches on the STS-131 mission to the International Space Station.