Editing Space Shuttle Discovery (section)

==Construction milestones==

{| class="wikitable mw-collapsible"
|-
! style="background:#efefef;" | Date
! style="background:#efefef;" | Milestone<ref name=pao>{{cite web|title=Discovery (OV-103)|url=http://www-pao.ksc.nasa.gov/shuttle/resources/orbiters/discovery.html|publisher=NASA/KSC|access-date=March 10, 2011|url-status=dead|archive-url=https://web.archive.org/web/20110610033909/http://www-pao.ksc.nasa.gov/shuttle/resources/orbiters/Discovery.html|archive-date=June 10, 2011}}</ref>
|-
| 1979 January 29
| Contract Award to [[Rockwell International]]'s Space Transportation Systems Division in [[Downey, California]]
|-
| 1979 August 27
| Start long lead fabrication of Crew Module
|-
| 1980 June 20
| Start fabrication lower [[fuselage]]
|-
| 1980 November 10
| Start structural assembly of aft-fuselage
|-
| 1980 December 8
| Start initial system installation aft fuselage
|-
| 1981 March 2
| Start fabrication/assembly of [[Payload (air and space craft)|payload]] bay doors
|-
| 1981 October 26
| Start initial system installation, crew module, Downey
|-
| 1982 January 4
| Start initial system installation upper forward fuselage
|-
| 1982 March 16
| Midfuselage on dock, [[Palmdale, California]]
|-
| 1982 March 30
| [[Elevon]]s on dock, Palmdale
|-
| 1982 April 30
| [[Wing]]s arrive at Palmdale from [[Grumman]]
|-
| 1982 April 30
| Lower forward fuselage on dock, Palmdale
|-
| 1982 July 16
| Upper forward fuselage on dock, Palmdale
|-
| 1982 August 5
| [[Vertical stabilizer]] on dock, Palmdale
|-
| 1982 September 3
| Start of Final Assembly
|-
| 1982 October 15
| Body flap on dock, Palmdale
|-
| 1983 January 11
| Aft fuselage on dock, Palmdale
|-
| 1983 February 25
| Complete final assembly and closeout installation, Palmdale
|-
| 1983 February 28
| Start initial subsystems test, power-on, Palmdale
|-
| 1983 May 13
| Complete initial subsystems testing
|-
| 1983 July 26
| Complete subsystems testing
|-
| 1983 August 12
| Completed Final Acceptance
|-
| 1983 October 16
| Rollout from Palmdale
|-
| 1983 November 5
| Overland transport from Palmdale to [[Edwards Air Force Base]]
|-
| 1983 November 9
| Delivery to [[Kennedy Space Center]]
|-
| 1984 June 2
| Flight Readiness Firing
|-
| 1984 August 30
| First Flight ([[STS-41-D]])
|}