Table of Contents

STS-114 Mission Timeline

Flight Day 1 - July 26

• Following launch, Discovery's crew sets up the on-board laptop computer network, checks out Canadarm or the Shuttle Arm and conducts Detailed Test Objective 850, Water Spray Boiler Cooling with Water/PGME Antifreeze.
• The crew plays back handheld launch video of the External Tank and loads digital photos of the tank and data from Discovery's Wing Leading Edge sensors into a laptop computer for downlink.
• Overnight, Mission Control will downlink data from the Wing Leading Edge sensors for analysis by engineers looking for sites of potential debris impact during launch.

Flight Day 2 - July 27

• The Shuttle crew completes checkout of Canadarm, if necessary, and installs the centerline camera in the Orbiter Docking System.
• The crew grapples and unberths the Canadian-built Orbiter Boom with the sensor system at its tip to conduct a survey of Discovery's wing leading edges and nose cap using Canadarm.
• The crew begins a checkout of the rendezvous tools.
• The crew conducts photography of the Orbital Manoeuvering System pods.
• Orbiter Docking System is extended.
• The crew performs system checks on the Extravehicular Mobility Unit spacesuits and tools in preparation for upcoming spacewalks.
• The crew berths the Orbiter Boom.
• The crew surveys Discovery's upper surfaces and the crew cabin using Canadarm.

Flight Day 3 - July 28

• The crew begins the final stage of rendezvous operations as Discovery closes in for docking with the International Space Station.
• Discovery performs the Rendezvous Pitch Manoeuvre, enabling the Space Station crew to photograph the Shuttle's thermal protection systems.
• Discovery docks with the Space Station.
• The Shuttle and Station crews open the hatches and shake hands.
• The crews begin transferring cargo from Discovery to the Station.
• The crew uses the Canadarm2 on the ISS, to grapple the Boom and hand it off to the Shuttle's Canadarm.

Flight Day 4 - July 29

• The crew grapples the Raffaello Multi-Purpose Logistics Module with Canadarm2, unberths the module from Discovery and installs it on the Unity module's Common Berthing Mechanism.
• Canadarm2 detaches from the module and begins its walk-off to the Mobile Base System.
• The crew uses the Boom and Sensor System to conduct a survey of the Shuttle's heat-protection tiles.
• The crew activates the Multi-Purpose Logistics Module and ingresses.
• The crew configures tools for the first spacewalk and begins Extravehicular Activity (EVA) pre-breathe.
• Crew members conduct an in-flight interview.
• The crew performs a checkout of the Simplified Aid for EVA Rescue.
• The hatches between Discovery and the Space Station are closed and Discovery's cabin is depressurized to 10.2 pounds per square inch (psi) in preparation for the first spacewalk from the Shuttle airlock.

Flight Day 5 - July 30

• Final preparations begin for the first spacewalk.
• Canadarm2 walks off the Mobile Base System, grappling Destiny.
• The Shuttle crew begins the first spacewalk from the Shuttle airlock.
• Hatches between Discovery and the Space Station are opened. Two crewmembers move to the Station to perform Canadarm2 EVA support. Transfer activity resumes.
• The spacewalkers perform Shuttle Thermal Protection System Emittance Wash Applicator (EWA) and NOAX (Non-Oxide Adhesive Experimental) sample repair Detailed Test Objective 848 in Discovery's payload bay.
• The External Stowage Platform-2 (ESP-2) Attachment Device (ESPAD) is unberthed from Discovery and installed onto Quest.
• The GPS antenna is removed and replaced on the Starboard 0 (S0) Truss.
• The crew uses the Orbital Boom with the Sensor System at its tip to scan damaged reinforced carbon-carbon samples on the Detailed Test Objective pallet.
• The Shuttle and Station hatches are closed, and the spacewalking astronauts ingress Discovery's airlock.
• Shuttle and Station hatches are reopened.
• The Station crew makes preparations for the Control Moment Gyroscope removal and replacement.

Flight Day 6 - July 31

• Transfers continue from Discovery to the Space Station.
• Crewmembers participate in two separate in-flight interviews.
• Procedures are reviewed for the second spacewalk and EVA pre-breathe begins.
• Hatches between Discovery and the Space Station are closed and the Shuttle cabin is depressurized to 10.2 psi.

Flight Day 7 - August 1^st

• The second spacewalk begins.
• Hatches between Discovery and the Station are reopened. Two crewmembers move to the Station to perform Canadarm2 EVA support, and transfers resume.
• Spacewalkers remove and replace Control Moment Gyroscope 1, then Mission Control performs a checkout of the new Control Moment Gyroscope.
• Shuttle and Station hatches are closed and the spacewalkers ingress the Shuttle airlock.
• New Station Control Moment Gyroscope 1 is started.
• Shuttle and Station hatches are opened.

Flight Day 8 - August 2

• Transfers resume between Discovery and the Station.
• Discovery's crew begins its off-duty period.
• The Shuttle crew reviews procedures and begins pre-breathe for tomorrow's third spacewalk from the Shuttle airlock.
• Shuttle and Station hatches are closed. The Shuttle cabin is depressurized to 10.2 psi in preparation for third spacewalk.

Flight Day 9 - August 3

• The third spacewalk of the mission begins.
• Hatches between Discovery and the Station are opened.
• Spacewalkers install an external camera and illuminator on Port 1 (P1) Truss.
• Canadarm2 grapples and unberths External Stowage Platform -2 from Discovery's payload bay.
• Two MISSE experiments (Materials on the International Space Station Experiments) are retrieved from the Quest airlock, and a new MISSE is installed at the top of the P6 Truss.
• Canadarm2 delivers External Stowage Platform -2 to External Stowage Platform Attachment Device (ESPAD), and spacewalkers install.
• Transfers continue between Shuttle and Station.
• Canadarm2 ungrapples External Stowage Platform -2 and manoeuvres to Multi-Purpose Logistics Module.
• Hatches between Discovery and Station are closed, the spacewalkers re-enter the Shuttle airlock and the third EVA ends.
• Hatches between Discovery and the Station are opened.
• Canadarm2 grapples Multi-Purpose Logistics Module for tomorrow's unberth from Unity.

Flight Day 10 - August 4

• The crew egresses and deactivates Multi-Purpose Logistics Module (MPLM).
• MPLM is uninstalled from Unity.
• Rendezvous checkout begins.
• The MPLM is berthed in Discovery's payload bay.
• Canadarm manoeuvres the Orbital Boom to handoff position.
• Canadarm2 grapples the Orbital Boom from the Shuttle's Canadarm.
• Canadarm2 berths Orbital Boom in Discovery's payload bay.

Flight Day 11 - August 5

• Discovery and Station crews bid farewell and close their hatches.
• Centerline camera is reinstalled.
• Discovery undocks and separates from the Station.
• Shuttle crew off-duty period begins.

Flight Day 12 - August 6

• Discovery crew performs Flight Control System checkout and begins cabin stowage in preparation for tomorrow's landing.
• Crew performs Reaction Control System hot fire and reviews tomorrow's deorbit timeline.
• KU Band antenna is stowed.

Flight Day 13 - August 7

• Discovery's crew begins deorbit preparations.
• Payload bay door is closed for entry.
• Deorbit burn occurs.
• Landing occurs at Kennedy Space Center.

CSA has prepared this document from the overview of the mission in the NASA press kit