Portal:Spaceflight/On This Day/3 May
- 1966 - A Thor-Agena fails to launch a CORONA satellite.
- 1986 - A Delta 3914 fails to launch the GOES-G satellite.
- 1994 - A Titan IV launches a Trumpet satellite.
- 2000 - An Atlas IIA launches the GOES L satellite.
- 2000 - A Soyuz-U launches the Kosmos 2370 satellite.
- 2006 - A Soyuz-U launches the Kosmos 2420 satellite.