Portal:Spaceflight/On This Day/22 April

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• 1963 - A Vostok rocket launches the Kosmos-15 satellite.
• 1966 - A Scout-B launches the OV3-1 satellite.
• 1968 - A Proton-K fails to launch an unknown satellite.
• 1971 - A Titan 23B launches a KH-8 satellite.
• 1971 - A Soyuz rocket launches the manned Soyuz 10 mission.
• 1975 - A Kosmos-3M launches the Kosmos-729 satellite.
• 1976 - A Delta 2914 launches the NATO 3A satellite.
• 1983 - A Soyuz-U launches the Kosmos-1454 satellite.
• 1984 - A Proton-K launches a Gorizont satellite.
• 1987 - A Soyuz-U launches the Kosmos-1837 satellite.