Boeing Starliner Returned to Vertical Integration Facility for Testing

A United Launch Alliance Atlas V rocket with Boeing’s CST-100 Starliner spacecraft
A United Launch Alliance Atlas V rocket with Boeing’s CST-100 Starliner spacecraft onboard is seen near the Vertical Integration Facility at Cape Canaveral Space Force Station in Florida. Photo by NASA/Joel Kowsky

NASA and Boeing are continuing to work through steps to determine what caused the unexpected valve position indications on the CST-100 Starliner propulsion system during the countdown for its Aug. 3 launch attempt.

Now that the United Launch Alliance Atlas V rocket with the Starliner spacecraft on top has been returned to its Vertical Integration Facility (VIF) at Space Launch Complex-41 on Cape Canaveral Space Force Station, engineers will have direct access to Starliner with the assembly of support structures around the spacecraft’s service module for continued troubleshooting.

Boeing will power up Starliner, allowing the vehicle to receive commands providing the teams with real-time data.

The data will drive any corrective measures that may be necessary to ensure Starliner is ready for launch. When NASA’s Commercial Crew Program and Boeing agree the issue is resolved, a new launch opportunity will be selected, taking into account the readiness of all parties involved and the availability of the International Space Station and its crew to support the spacecraft’s arrival.

NASA, Boeing Continue Starliner Data Analysis

Atlas V rocket with Starliner on launch pad
A United Launch Alliance Atlas V rocket with Boeing’s CST-100 Starliner spacecraft onboard is seen on the launch pad on Thursday, July 29, 2021, at Space Launch Complex 41 in preparation for the Orbital Flight Test-2 (OFT-2) mission at Cape Canaveral Space Force Station in Florida. Photo Credit: (NASA/Aubrey Gemignani)

NASA and Boeing are continuing to work through steps to determine what caused the unexpected valve position indications on the CST-100 Starliner propulsion system.

The United Launch Alliance Atlas V with the Starliner spacecraft on top will be returned to its Vertical Integration Facility (VIF) at Launch Complex-41 on Cape Canaveral Space Force Station Thursday where engineers will have direct access to Starliner for continued troubleshooting.

The data will drive any corrective measures that may be necessary to ensure Starliner is ready for launch. When NASA’s Commercial Crew Program and Boeing Space agree the issue is resolved, a new launch opportunity will be selected, taking into account the readiness of all parties involved.

“The Boeing and NASA teams are working methodically to understand what caused the valve indications on the Starliner service module propulsion system,” Steve Stich, manager of the Commercial Crew Program, said. “The troubleshooting in the Vertical Integration Facility will help focus on potential causes and next steps before we fly the OFT-2 mission.”

Early in the launch countdown for the Tuesday, Aug. 3 launch attempt, engineers detected indications that not all of Starliner’s propulsion system valves were in the proper configuration needed for launch of the company’s second uncrewed orbital flight test to the International Space Station, a mission designed to test the end-to-end capabilities of the crew-capable system as part of NASA’s Commercial Crew Program.

Mission teams decided to halt the countdown to further analyze the issue, which was conducted later Tuesday via several steps to troubleshoot the incorrect valve indications, including cycling the service module propulsion system valves.

After presenting the data to NASA and Boeing managers, it was decided to relocate the Atlas V and Starliner to the VIF for further inspection and testing where access to the spacecraft is available. Engineering teams have ruled out a number of potential causes, including software, and the direct access is required to continue the assessment.

“This mission is extremely important for the Commercial Crew Program on the path to the Boeing Crewed Flight Test,” Stich said. “We will fly the mission when we are ready. I am extremely proud of the NASA and Boeing teams for their professionalism, perseverance, and methodical approach to solving complex problems.”

NASA and Boeing will take whatever time is necessary to ensure Starliner is ready for its important uncrewed flight test to the space station and will look for the next available opportunity after resolution of the issue.

NASA, Boeing Standing Down on Aug. 4 Starliner Launch Attempt

NASA and Boeing are standing down from the Wednesday, Aug. 4, launch attempt of the agency’s Orbital Flight Test-2 to the International Space Station as mission teams continue to examine the cause of the unexpected valve position indications on the CST-100 Starliner propulsion system.

Early in the launch countdown for the Aug. 3 attempt, mission teams detected indications that not all valves were in the proper configuration needed for launch. Mission teams decided to halt the countdown to further analyze the issue.

NASA and Boeing worked through several steps to troubleshoot the incorrect valve indications, including cycling the service module propulsion system valves, within the current configuration of the Starliner and United Launch Alliance Atlas V rocket at Space Launch Complex-41 on Cape Canaveral Space Force Station in Florida.

Mission teams have decided to roll the Atlas V and Starliner back to the Vertical Integration Facility (VIF) for further inspection and testing where access to the spacecraft is available. Boeing will power down the Starliner spacecraft this evening. The move to the VIF is expected to take place as early as tomorrow.

Engineering teams have ruled out a number of potential causes, including software, but additional time is needed to complete the assessment.

NASA and Boeing will take whatever time is necessary to ensure Starliner is ready for its important uncrewed flight test to the space station and will look for the next available opportunity after resolution of the issue.

NASA’s Boeing OFT-2: Launch Scrubbed for Aug. 3. Attempt

The United Launch Alliance Atlas V rocket with Boeing's CST-100 Starliner atop is on the pad at Space Launch Complex-41 on Aug. 3, 2021.
The United Launch Alliance Atlas V rocket with Boeing’s CST-100 Starliner atop is on the pad at Space Launch Complex-41 on Aug. 3, 2021. Photo credit: NASA

NASA, Boeing and United Launch Alliance (ULA) have scrubbed the Aug. 3 launch attempt of the agency’s Orbital Flight Test-2 to the International Space Station due to unexpected valve position indications in the Starliner propulsion system. ULA will begin removing propellant from the Atlas V rocket.

Pending resolution of the forward work, our next available launch opportunity would be 12:57 p.m. EDT on Wednesday, Aug. 4.

For more information on the technical issue, click here.

Follow along with launch activities and get more information about the mission at: https://blogs.nasa.gov/commercialcrew/.

Learn more about commercial crew and space station activities by following @Commercial_Crew@space_station, and @ISS_Research on Twitter as well as the Commercial Crew FacebookISS Facebook and ISS Instagram accounts

Orbital Flight Test-2 Starliner, Atlas V Roll Return to Launch Pad

A United Launch Alliance Atlas V rocket with Boeing’s CST-100 Starliner spacecraft onboard is seen as it is rolled out of the Vertical Integration Facility to the launch pad at Space Launch Complex 41 ahead of the Orbital Flight Test-2 (OFT-2) mission, Thursday, July 29, 2021 at Cape Canaveral Space Force Station in Florida. Boeing’s Orbital Flight Test-2 will be Starliner’s second uncrewed flight test and will dock to the International Space Station as part of NASA's Commercial Crew Program.
A United Launch Alliance Atlas V rocket with Boeing’s CST-100 Starliner spacecraft onboard is seen as it is rolled out of the Vertical Integration Facility to the launch pad at Space Launch Complex 41 ahead of the Orbital Flight Test-2 (OFT-2) mission, Thursday, July 29, 2021 at Cape Canaveral Space Force Station in Florida. Boeing’s Orbital Flight Test-2 will be Starliner’s second uncrewed flight test and will dock to the International Space Station as part of NASA’s Commercial Crew Program. Photo credit: NASA/Aubrey Gemignani

This morning, Aug. 2, Boeing’s CST-100 Starliner spacecraft and the United Launch Alliance (ULA) Atlas V rocket rolled out of the ULA Vertical Integration Facility (VIF) to return to the launch pad at Space Launch Complex-41 on Cape Canaveral Space Force Station in Florida ahead of NASA’s Boeing Orbital Flight Test-2 mission to the International Space Station. Liftoff is scheduled for 1:20 p.m. EDT on Tuesday, Aug. 3.

Starliner and the Atlas V rocket made the first trip to the launch pad on July 29, but rolled back to the VIF on July 30 to avoid potential inclement weather.

For a launch Tuesday, meteorologists with the U.S. Space Force 45th Weather Squadron are predicting a 60% chance of favorable weather. The primary weather concerns for launch day are the cumulus cloud rule, lightning rule, and thick cloud rule violations during the instantaneous launch window.

NASA TV will cover the upcoming prelaunch, launch, and docking activities. Mission coverage is as follows (all times Eastern):

Tuesday, Aug. 3

12:30 p.m. – NASA TV launch coverage begins for a targeted 1:20 p.m. liftoff. NASA TV will have continuous coverage through Starliner orbital insertion.

3:30 p.m. (approximately) – Postlaunch news conference on NASA TV.

Wednesday, Aug. 4

10:30 a.m. – NASA TV rendezvous and docking coverage begins.

1:37 p.m. (scheduled) – Docking

Thursday, Aug. 5

8:30 a.m. – NASA TV hatch opening coverage begins

8:40 a.m. – Hatch opening

9:40 a.m. (approximately) – Welcoming remarks

Learn more about station activities by following @space_station and @ISS_Research on Twitter as well as the ISS Facebook and ISS Instagram accounts.

NASA’s Boeing OFT-2: Weather 60% Favorable for Aug. 3 Launch

NASA, Boeing and United Launch Alliance are targeting 1:20 p.m. EDT Tuesday, Aug. 3, for launch of the Orbital Flight Test-2 (OFT-2) to the International Space Station.

For a launch Tuesday, meteorologists with the U.S. Space Force 45th Weather Squadron are predicting a 60% chance of favorable weather. The primary weather concerns for launch day are the cumulus cloud rule, lightning rule and thick cloud rule violations during the instantaneous launch window.

Boeing’s CST-100 Starliner will launch on a United Launch Alliance Atlas V rocket from Space Launch Complex-41. Starliner is scheduled to dock to the space station about 1:37 p.m. Wednesday, Aug. 4.

NASA will provide coverage of the upcoming prelaunch, launch, and docking activities for the agency’s Boeing OFT-2.

Mission coverage is as follows (all times Eastern):

Tuesday, Aug. 3

12:30 p.m. – NASA TV launch coverage begins for a targeted 1:20 p.m. liftoff. NASA TV will have continuous coverage through Starliner orbital insertion.

3:30 p.m. (approximately) – Postlaunch news conference on NASA TV.

Wednesday, Aug. 4

10:30 a.m. – NASA TV rendezvous and docking coverage begins.

1:37 p.m. (scheduled) – Docking

Thursday, Aug. 5

8:30 a.m. – NASA TV hatch opening coverage begins

8:40 a.m. – Hatch opening

9:40 a.m. (approximately) – Welcoming remarks

More details about the mission and NASA’s Commercial Crew Program can be found by following the commercial crew blog, @commercial_crew and commercial crew on Facebook.

Learn more about station activities by following @space_station and @ISS_Research on Twitter as well as the ISS Facebook and ISS Instagram accounts.

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Targeting Aug. 3 for Orbital Flight Test-2 Launch

A United Launch Alliance Atlas V rocket with Boeing’s CST-100 Starliner spacecraft
A United Launch Alliance Atlas V rocket with Boeing’s CST-100 Starliner spacecraft onboard is seen near the Vertical Integration Facility at Cape Canaveral Space Force Station in Florida. Photo by NASA/Joel Kowsky

NASA, Boeing and United Launch Alliance now are targeting 1:20 p.m. EDT Tuesday, Aug. 3, for launch of the Orbital Flight Test-2 (OFT-2) with the International Space Station ready for the arrival of the Starliner spacecraft. NASA’s live launch coverage begins at 12:30 p.m. Docking is targeted for 1:37 p.m. Wednesday, Aug. 4.

OFT-2, Boeing’s second uncrewed flight, is designed to test the end-to-end capabilities of the new system for NASA’s Commercial Crew Program.

Learn more about NASA’s commercial crew program by following the commercial crew blog@commercial_crew and commercial crew on Facebook.

Learn more about station activities by following @space_station and @ISS_Research on Twitter as well as the ISS Facebook and ISS Instagram accounts.

 

Orbital Flight Test-2 Starliner, Atlas V Roll Back to Vertical Integration Facility

On July 29, 2021, Boeing’s CST-100 Starliner spacecraft and the United Launch Alliance Atlas V rocket rolled out of the Vertical Integration Facility to the launch pad at Space Launch Complex-41 on Cape Canaveral Space Force Station in Florida. Starliner will launch on the Atlas V for Boeing’s second uncrewed Orbital Flight Test (OFT-2) for NASA’s Commercial Crew Program. OFT-2 is an important uncrewed mission designed to test the end-to-end capabilities of the new system for NASA’s Commercial Crew Program.
On July 29, 2021, Boeing’s CST-100 Starliner spacecraft and the United Launch Alliance Atlas V rocket rolled out of the Vertical Integration Facility to the launch pad at Space Launch Complex-41 on Cape Canaveral Space Force Station in Florida. Starliner will launch on the Atlas V for Boeing’s second uncrewed Orbital Flight Test (OFT-2) for NASA’s Commercial Crew Program. OFT-2 is an important uncrewed mission designed to test the end-to-end capabilities of the new system for NASA’s Commercial Crew Program. Photo credit: United Launch Alliance

Boeing’s Starliner spacecraft on the United Launch Alliance (ULA) Atlas V rocket was rolled back from the launch pad at Cape Canaveral Space Force Station in Florida to ULA’s nearby Vertical Integration Facility on July 30 to avoid potential inclement weather in advance of Orbital Flight Test-2’s (OFT-2) launch to the International Space Station.

NASA and Boeing agreed to stand down from the July 30 attempt to allow the space station team time to continue working checkouts of the newly arrived Roscosmos’ Nauka module and to ensure the station will be ready for Starliner’s arrival. The earliest possible launch opportunity to the space station is no earlier than 1:20 p.m. EDT Tuesday, Aug. 3, from Space Launch Complex-41.

The U.S. Space Force 45th Weather Squadron predicts a 60% chance of favorable conditions for the Aug. 3 launch opportunity with the cumulous cloud rule, surface electric fields rule, and the lighting rule as the primary weather concerns.

The OFT-2 mission for NASA’s Commercial Crew Program will test the end-to-end capabilities of Starliner from launch to docking to a return to Earth in the desert of the western United States.

Learn more about NASA’s commercial crew program by following the commercial crew blog@commercial_crew and commercial crew on Facebook.

Learn more about station activities by following @space_station and @ISS_Research on Twitter as well as the ISS Facebook and ISS Instagram accounts

Earliest Launch Opportunity for NASA’s Boeing OFT-2 Mission is Aug. 3

Atlas V and Starliner rocket at pad
On July 29, 2021, Boeing’s CST-100 Starliner spacecraft and the United Launch Alliance Atlas V rocket rolled out of the Vertical Integration Facility to the launch pad at Space Launch Complex-41 on Cape Canaveral Space Force Station in Florida. Photo credit: United Launch Alliance

NASA and Boeing have elected to stand down from Friday’s launch attempt of the agency’s second Orbital Flight Test (OFT-2) mission. Currently, the earliest available launch opportunity is 1:20 p.m. EDT Tuesday, Aug. 3. The International Space Station team will use the time to continue working checkouts of the newly arrived Roscosmos Nauka multipurpose laboratory module (MLM) and to ensure the station will be ready for Starliner’s arrival.

Launch preparations will resume following a final decision from the International Space Station and Commercial Crew Program teams for the next opportunity to send Starliner on its way to complete the OFT-2 mission, which will set the stage for the first Crew Flight Test.

Earlier Thursday, Starliner atop its United Launch Alliance Atlas V rocket was moved to its seaside launch pad for standard launch preparations. Teams are assessing moving the vehicle back to its Vehicle Integration Facility to protect it from weather until launch preparations resume. Starliner and Atlas V are in a safe, flight-ready configuration and do not require any near-term servicing.

The Atlas V was assembled throughout July, which included the transfer of Starliner from Boeing’s spacecraft processing facility at NASA’s Kennedy Space Center in Florida to nearby Cape Canaveral Space Force Station Launch Complex 41 for mating atop the rocket.

Update to NASA’s Boeing Orbital Flight Test-2 Mission

NASA and Boeing have decided to stand down from Friday’s launch attempt of the agency’s Orbital Flight Test-2 mission. Currently, launch teams are assessing the next available opportunity. The move allows the International Space Station team time to continue working checkouts of the newly arrived Roscosmos’ Nauka module and to ensure the station will be ready for Starliner’s arrival.

Learn more about station activities by following the space station blog@space_station and @ISS_Research on Twitter as well as the ISS Facebook and ISS Instagram accounts.

More details about NASA’s Commercial Crew Program can be found by following the commercial crew blog@commercial_crew and commercial crew on Facebook.