Portal:Spaceflight/On This Day/3 June

• 1959 - A Thor-Agena fails to launch the Discoverer 3 satellite.
• 1965 - A Titan II launches the manned Gemini 4 mission.
• 1965 - Ed White becomes the first American to walk in space.
• 1966 - A Titan II launches the manned Gemini 9 mission.
• 1966 - An Atlas-Agena launches an AFP-206 satellite.
• 1969 - A Kosmos-2I launches the Kosmos 285 satellite.
• 1969 - A Titan IIIB launches a KH-8 satellite.
• 1974 - A Scout E-1 launches the Explorer 52 satellite.
• 1975 - A Voskhod launches the Kosmos 742 satellite.
• 1975 - A Kosmos-3M fails to launch an unknown satellite.
• 1981 - A Soyuz-U launches the Kosmos 1274 satellite.
• 1982 - A Kosmos-3MP launches the Kosmos 1374 satellite.
• 1992 - A Kosmos-3M launches the eight satellites.
• 1997 - An Ariane 4 launches the Inmarsat-3F4 and Insat-2D satellites.
• 2010 - A Proton-M launches the Badr-5 satellite.
• 2013 - A Proton-M launches the SES-6 satellite.