1984    STS-41-D: The Space Shuttle ''Discovery'' takes off on its maiden voyage.

1984    STS-41-D: The Space Shuttle ''Discovery'' lands after its maiden voyage.

1985    STS-51-G Space Shuttle Discovery completes its mission, best remembered for having Sultan bin Salman bin Abdulaziz Al Saud, the first Arab and first Muslim in space, as a Payload Specialist.

1990    STS-31: The Hubble Space Telescope is launched from the Space Shuttle ''Discovery''. thumb

1997    Space Shuttle Discovery is launched on a mission to service the Hubble Space Telescope.

1998    Space Shuttle Discovery blasts off on STS-95 with 77-year old John Glenn on board, making him the oldest person to go into space.

1999    Space Shuttle Discovery completes the first docking with the International Space Station.

2000    NASA launches STS-92, the 100th Space Shuttle mission, using Space Shuttle Discovery.

2005    Space Shuttle program: STS-114 Mission – Launch of ''Discovery'', NASA's first scheduled flight mission after the ''Columbia'' Disaster in 2003.

2005    STS-114: NASA grounds the Space Shuttle, pending an investigation of the continuing problem with the shedding of foam insulation from the external fuel tank. During ascent, the external tank of the Space Shuttle Discovery sheds a piece of foam slightly smaller than the piece that caused the Space Shuttle Columbia disaster; this foam does not strike the spacecraft.

2006    Space Shuttle program: STS-121 Mission – Space Shuttle ''Discovery'' launches at 18:37:55 UTC.