12.21.07 - A tanking test was conducted at Launch Pad 39A on Tuesday to aid in troubleshooting the cause of malfunctioning engine cutoff (ECO) sensors on Atlantis' external tank.
12.14.07 - Shuttle Program managers decided Thursday to target Jan. 10, 2008, to launch Atlantis' STS-122 mission to the International Space Station.
11.30.07 - Shuttle program managers met today for the agency's flight readiness review and concluded by setting Dec. 6 as the official launch date for STS-122.
11.21.07 - Engineers successfully resolved an issue with a stuck valve in Atlantis' forward reaction control system, isolating the problem to a broken ground lug in the helium isolation valve circuit.
11.16.07 - On Nov. 10, the STS-122 shuttle stack rolled from the Vehicle Assembly Building to Launch Pad 39A, where workers are performing closeout connections and system verification checks.
11.09.07 - The STS-120 mission ended on Nov. 7 when Discovery touched down at Kennedy Space Center’s runway 33 at 1:01 p.m.
11.02.07 - Landing of Discovery at the Kennedy Space Center is currently planned for Wednesday, Nov. 7. Available landing times are 1:02 p.m. EST on orbit 238 and 2:35 p.m. EST on orbit 239.
10.29.07 - The mission has been extended one additional day to allow time for further inspection of the Solar Alpha Rotary Joint. Landing is now scheduled for Wednesday, Nov. 7.
10.12.07 - On Sunday, the STS-120 crew arrived at Kennedy Space Center for the terminal countdown demonstration test, which involves a launch dress rehearsal.
10.05.07 - On Sunday, STS-120 was transported to Launch Pad 39A. The rotating service structure, which protects and provides access to the orbiter at the pad, was rolled into position on Monday.
09.28.07 - On Sunday, Discovery rolled from Orbiter Processing Facility bay No. 3 to the Vehicle Assembly Building. The orbiter was transferred on Monday to high bay No. 1.
09.21.07 - Workers replaced four seals on Discovery's right-hand main landing gear strut after a hydraulic fluid leak was discovered during the "weight on wheels" test.
09.14.07 - The final task prior to transferring Discovery to the orbiter transporter in preparation for rollover to the Vehicle Assembly Building on Sept. 19 has been completed.
09.07.07 - In the Vehicle Assembly Building, external tank No. 120 was transferred from its checkout cell to high bay No. 1 for mating to the solid rocket boosters for STS-120.
08.31.07 - In Orbiter Processing Facility bay 3, forward and aft closeout work on Discovery continues. Midbody closeouts are complete. Closeout of the crew cabin airlock is under way.
08.24.07 - Endeavour touched down at Kennedy Space Center at 12:32 p.m. EST on Aug. 21, completing a 13-day journey to the International Space Station.
08.17.07 - After extensive engineering analyses and testing, the Mission Management Team decided Thursday evening that damaged tile on the underbelly of the orbiter does not pose a threat.
08.10.07 - On Thursday, the STS-118 crew conducted a photographic survey of the Endeavour's thermal protection system using the robotic arm and extension boom.
08.01.07 - Preparations continue for the launch of Endeavour on STS-118 and the payload bay doors have been closed for flight.
07.27.07 - At Launch Pad 39A, preparations continue for the launch of Endeavour on STS-118. The hypergolic propellants have been loaded into the solid rocket booster hydraulic power units.
07.20.07 - The STS-118 crew traveled to Kennedy Space Center this week to participate in the terminal countdown demonstration test, which includes a countdown dress rehearsal.
07.13.07 - Shortly after 8 p.m. Monday, Endeavour rolled out of the Vehicle Assembly Building, arriving at Launch Pad 39A about seven hours later.
07.06.07 - On Monday morning, Endeavour rolled from Orbiter Processing Facility bay No. 2 to the Vehicle Assembly Building, as preparations continue for the launch of STS-118.
06.29.07 - At NASA's Dryden Flight Research Center at Edwards Air Force Base, Atlantis has undergone a week of preparation for its ferry flight back to KSC aboard the shuttle carrier aircraft.
06.22.07 - The crew of STS-117 completed its nearly two-week mission to the International Space Station today, landing at Edwards Air Force Base at 3:49 p.m. EDT.
06.15.07 - Today is Flight Day 8 for STS-117 and Atlantis is docked to the International Space Station. Crew members Jim Reilly and John Olivas are preparing for the week's third spacewalk.
06.07.07 - Atlantis' power-producing fuel cells were loaded with liquid hydrogen and liquid oxygen early Thursday morning after severe thunderstorms caused a delay of several hours.
06.06.07 - The countdown for the launch of STS-117 began as planned Tuesday at 9 p.m. EDT, when clocks in the Launch Control Center began counting backward from the T-43 hour mark.
06.05.07 - The call to stations for the STS-117 mission launch team will be at 8:30 EDT tonight. The official launch countdown will begin at 9:00 p.m. EDT.
06.01.07 - At the Launch Readiness Review meeting this week, Space Shuttle Program managers officially set June 8 as the launch date for Atlantis on mission STS-117.
05.25.07 - At Pad 39A, operations are proceeding on schedule for a June 8 launch of Atlantis. This week, the hypergolic propellants were loaded into the orbiter and solid rocket boosters.
05.18.07 - Space Shuttle Atlantis arrived back at Launch Pad 39A on Tuesday, following repairs to the foam on its hail-damaged external fuel tank.
05.11.07 - In the Vehicle Assembly Building, technicians and engineers are preparing Atlantis for its rollout to Launch Pad 39A, currently scheduled for May 16.
05.04.07 - In the Vehicle Assembly Building, workers continue repairing foam on the hail-damaged STS-117 external fuel tank, ET-124. Spray foam repairs began this week.
04.27.07 - In the Vehicle Assembly Building, workers have begun preparations for the removal next week of Atlantis' three main engines to inspect for flow liner contamination.
04.20.07 - In high bay No. 1 of the Vehicle Assembly Building, technicians and engineers continue repairing foam on the hail-damaged STS-117 external fuel tank, ET-124.
04.13.07 - Repair work on the hail-damaged ET-124 continues following a decision by program managers to target a launch date of June 8 for STS-117 using the repaired tank.
04.06.07 - Shuttle Program managers will meet on April 10 to decide whether to use ET-124 on the next mission or substitute a new tank, ET-117, which arrived at KSC today.
03.23.07 - In high bay No. 1 of the Vehicle Assembly Building, work is under way to repair hail damage to the STS-117 external fuel tank, ET-124. Special scaffolding and access platforms have been erected.
03.16.07 - Space Shuttle Atlantis, now parked in high bay No. 1 of the Vehicle Assembly Building, continues to undergo inspection for hail damage on its external tank and left wing leading edge.
03.09.07 - On Sunday, Space Shuttle Atlantis rolled from Launch Pad 39A to the Vehicle Assembly Building for inspections and repairs to hail-damaged areas.
03.02.07 - Preparations are underway at Launch Pad 39A to roll back the STS-117 Shuttle stack to the Vehicle Assembly building.
02.23.07 - The STS-117 crew arrived at Kennedy Space Center Wednesday to participate in the Terminal Countdown Demonstration Test (TCDT), a launch dress rehearsal.
02.09.07 - On Wednesday, Atlantis rolled from the Orbiter Processing Facility to the Vehicle Assembly Building, where it was lifted into high bay 1 and mated to the external fuel tank.
02.02.07 - During the Space Shuttle Program's orbiter rollout milestone review today, managers determined that the vehicle was ready to rollover to the Vehicle Assembly Building next week.
01.26.07 - The Space Shuttle Program has signed a change request moving the STS-117 targeted launch date for Atlantis to March 15, one day earlier than originally planned.
01.19.07 - Final vehicle closeouts are under way in preparation for technicians to move Atlantis to the Vehicle Assembly Building on Feb. 7. Launch is currently targeted for March 16.
01.12.07 - Final vehicle closeouts are under way in preparation for Atlantis's move to the Vehicle Assembly Building on Feb. 7. The payload bay was cleaned and the doors were closed this week.
01.05.07 - Technicians powered down orbiter Atlantis in Orbiter Processing Facility bay 1 prior to the holidays. Over the holiday period, thermal protection system waterproofing was completed.