
A flatbed truck delivers the United Launch Alliance (ULA) Atlas V booster and Centaur upper stage for Boeing's CST-100 Starliner Crew Flight Test (CFT) to the Atlas Spaceflight Operations Center at Space Launch Complex 41 (SLC-41) at Cape Canaveral Space Force Station on June 21, 2021. Starliner's first flight with astronauts aboard, CFT will launch from SLC-41. The flight test will demonstrate the ability of the Atlas V and Starliner to safely carry astronauts to and from the International Space Station for the agency's Commercial Crew Program.

At the Army Wharf at Cape Canaveral Air Force Station in Florida, the United Launch Alliance (ULA) Mariner cargo ship door is lowered on June 5, 2019, for offloading of the ULA Atlas V booster that will be used for Boeing’s Crew Flight Test (CFT). The Atlas V rocket will launch the CST-100 Starliner spacecraft and its crew, NASA astronauts Mike Fincke and Nicole Mann and Boeing astronaut Chris Ferguson, to the International Space Station for NASA’s Commercial Crew Program. The booster will be transported to the Atlas Spaceflight Operations Center to await the start of operations for its mission. The CFT will demonstrate Starliner and Atlas V’s ability to safely carry crew to and from the orbiting laboratory.

At the Army Wharf at Cape Canaveral Air Force Station in Florida, the United Launch Alliance (ULA) Mariner cargo ship door is lowered on June 5, 2019, for offloading of the ULA Atlas V booster that will be used for Boeing’s Crew Flight Test (CFT). The Atlas V rocket will launch the CST-100 Starliner spacecraft and its crew, NASA astronauts Mike Fincke and Nicole Mann and Boeing astronaut Chris Ferguson, to the International Space Station for NASA’s Commercial Crew Program. The booster will be transported to the Atlas Spaceflight Operations Center to await the start of operations for its mission. The CFT will demonstrate Starliner and Atlas V’s ability to safely carry crew to and from the orbiting laboratory.

The United Launch Alliance (ULA) Atlas V booster that will be used for Boeing’s Crew Flight Test (CFT) is moved out of the Mariner cargo ship at the Army Wharf at Cape Canaveral Air Force Station in Florida on June 5, 2019. The ULA Atlas V rocket will launch the CST-100 Starliner and its crew, NASA astronauts Mike Fincke and Nicole Mann and Boeing astronaut Chris Ferguson, to the International Space Station for NASA’s Commercial Crew Program. The booster will be transported to the Atlas Spaceflight Operations Center to await the start of operations for its missions. The CFT will demonstrate Starliner and Atlas V’s ability to safely carry crew to and from the orbiting laboratory.

The United Launch Alliance (ULA) Atlas V booster and Centaur upper stage for Boeing's CST-100 Starliner Crew Flight Test (CFT) are unloaded from a rocket-delivery ship at Cape Canaveral Space Force Station on June 21, 2021. Starliner's first flight with astronauts aboard, CFT will launch from Space Launch Complex 41 at Cape Canaveral Space Force Station in Florida. The flight test will demonstrate the ability of the Atlas V and Starliner to safely carry astronauts to and from the International Space Station for the agency's Commercial Crew Program.

The United Launch Alliance (ULA) Atlas V booster and Centaur upper stage for Boeing's CST-100 Starliner Crew Flight Test (CFT) are on their way to the Atlas Spaceflight Operations Center at Space Launch Complex 41 (SLC-41) at Cape Canaveral Space Force Station on June 21, 2021. Starliner's first flight with astronauts aboard, CFT will launch from SLC-41. The flight test will demonstrate the ability of the Atlas V and Starliner to safely carry astronauts to and from the International Space Station for the agency's Commercial Crew Program.

The United Launch Alliance (ULA) Atlas V booster and Centaur upper stage for Boeing's CST-100 Starliner Crew Flight Test (CFT) arrive at the Atlas Spaceflight Operations Center at Space Launch Complex 41 (SLC-41) at Cape Canaveral Space Force Station on June 21, 2021. Starliner's first flight with astronauts aboard, CFT will launch from SLC-41. The flight test will demonstrate the ability of the Atlas V and Starliner to safely carry astronauts to and from the International Space Station for the agency's Commercial Crew Program.

The United Launch Alliance (ULA) Atlas V booster that will be used for Boeing’s Crew Flight Test (CFT) is moved out of the Mariner cargo ship at the Army Wharf at Cape Canaveral Air Force Station in Florida on June 5, 2019. The ULA Atlas V rocket will launch the CST-100 Starliner and its crew, NASA astronauts Mike Fincke and Nicole Mann and Boeing astronaut Chris Ferguson, to the International Space Station for NASA’s Commercial Crew Program. The booster will be transported to the Atlas Spaceflight Operations Center to await the start of operations for its missions. The CFT will demonstrate Starliner and Atlas V’s ability to safely carry crew to and from the orbiting laboratory.

The United Launch Alliance (ULA) Atlas V booster and Centaur upper stage for Boeing's CST-100 Starliner Crew Flight Test (CFT) are inside the Atlas Spaceflight Operations Center at Space Launch Complex 41 (SLC-41) at Cape Canaveral Space Force Station on June 21, 2021. Starliner's first flight with astronauts aboard, CFT will launch from SLC-41. The flight test will demonstrate the ability of the Atlas V and Starliner to safely carry astronauts to and from the International Space Station for the agency's Commercial Crew Program.

The United Launch Alliance (ULA) Atlas V booster and Centaur upper stage for Boeing's CST-100 Starliner Crew Flight Test (CFT) are unloaded from a rocket-delivery ship at Cape Canaveral Space Force Station on June 21, 2021. Starliner's first flight with astronauts aboard, CFT will launch from Space Launch Complex 41 at Cape Canaveral Space Force Station in Florida. The flight test will demonstrate the ability of the Atlas V and Starliner to safely carry astronauts to and from the International Space Station for the agency's Commercial Crew Program.

The United Launch Alliance (ULA) Atlas V booster that will be used for Boeing’s Crew Flight Test (CFT) is moved out of the Mariner cargo ship at the Army Wharf at Cape Canaveral Air Force Station in Florida on June 5, 2019. The ULA Atlas V rocket will launch the CST-100 Starliner and its crew, NASA astronauts Mike Fincke and Nicole Mann and Boeing astronaut Chris Ferguson, to the International Space Station for NASA’s Commercial Crew Program. The booster will be transported to the Atlas Spaceflight Operations Center to await the start of operations for its missions. The CFT will demonstrate Starliner and Atlas V’s ability to safely carry crew to and from the orbiting laboratory.

A flatbed truck moves the United Launch Alliance (ULA) Atlas V booster and Centaur upper stage for Boeing's CST-100 Starliner Crew Flight Test (CFT) inside the Atlas Spaceflight Operations Center at Space Launch Complex 41 (SLC-41) at Cape Canaveral Space Force Station on June 21, 2021. Starliner's first flight with astronauts aboard, CFT will launch from SLC-41. The flight test will demonstrate the ability of the Atlas V and Starliner to safely carry astronauts to and from the International Space Station for the agency's Commercial Crew Program.

The United Launch Alliance (ULA) Atlas V booster that will be used for Boeing’s Crew Flight Test (CFT) is moved out of the Mariner cargo ship at the Army Wharf at Cape Canaveral Air Force Station in Florida on June 5, 2019. The ULA Atlas V rocket will launch the CST-100 Starliner and its crew, NASA astronauts Mike Fincke and Nicole Mann and Boeing astronaut Chris Ferguson, to the International Space Station for NASA’s Commercial Crew Program. The booster will be transported to the Atlas Spaceflight Operations Center to await the start of operations for its missions. The CFT will demonstrate Starliner and Atlas V’s ability to safely carry crew to and from the orbiting laboratory.

The United Launch Alliance (ULA) Atlas V booster and Centaur upper stage for Boeing's CST-100 Starliner Crew Flight Test (CFT) are on their way to the Atlas Spaceflight Operations Center at Space Launch Complex 41 (SLC-41) at Cape Canaveral Space Force Station on June 21, 2021. Starliner's first flight with astronauts aboard, CFT will launch from SLC-41. The flight test will demonstrate the ability of the Atlas V and Starliner to safely carry astronauts to and from the International Space Station for the agency's Commercial Crew Program.

The United Launch Alliance (ULA) Atlas V booster that will be used for Boeing’s Crew Flight Test (CFT) is moved out of the Mariner cargo ship at the Army Wharf at Cape Canaveral Air Force Station in Florida on June 5, 2019. The ULA Atlas V rocket will launch the CST-100 Starliner and its crew, NASA astronauts Mike Fincke and Nicole Mann and Boeing astronaut Chris Ferguson, to the International Space Station for NASA’s Commercial Crew Program. The booster will be transported to the Atlas Spaceflight Operations Center to await the start of operations for its missions. The CFT will demonstrate Starliner and Atlas V’s ability to safely carry crew to and from the orbiting laboratory.

A United Launch Alliance (ULA) Atlas V booster for Boeing's CST-100 Starliner Crew Flight Test (CFT) is loaded onto a rocket-delivery ship at ULA’s manufacturing factory in Decatur, Alabama, on June 11, 2021, to begin its journey to Cape Canaveral, Florida. Starliner’s first flight with astronauts aboard, CFT will launch from Space Launch Complex 41 at Cape Canaveral Space Force Station in Florida. The flight test will demonstrate the ability of the Atlas V and Starliner to safely carry astronauts to and from the International Space Station for the agency’s Commercial Crew Program.

The United Launch Alliance (ULA) Atlas V booster that will be used for Boeing’s Crew Flight Test (CFT) is backed into the Atlas Spaceflight Operations Center (ASOC) at Cape Canaveral Air Force Station in Florida on June 5, 2019. The ULA Atlas V rocket will launch Starliner and its crew, NASA astronauts Mike Fincke and Nicole Mann and Boeing astronaut Chris Ferguson, to the International Space Station for NASA’s Commercial Crew Program. Inside the ASOC, the booster will await the start of operations for its missions. The CFT will demonstrate Starliner and Atlas V’s ability to safely carry crew to and from the orbiting laboratory.

The United Launch Alliance (ULA) Atlas V booster that will be used for Boeing’s Crew Flight Test (CFT) nears the Atlas Spaceflight Operations Center (ASOC) at Cape Canaveral Air Force Station in Florida on June 5, 2019. The ULA Atlas V rocket will launch Starliner and its crew, NASA astronauts Mike Fincke and Nicole Mann and Boeing astronaut Chris Ferguson, to the International Space Station for NASA’s Commercial Crew Program. Inside the ASOC, the booster will await the start of operations for its missions. The CFT will demonstrate Starliner and Atlas V’s ability to safely carry crew to and from the orbiting laboratory.

The United Launch Alliance (ULA) Atlas V booster that will be used for Boeing’s Crew Flight Test (CFT) is being transported to the Atlas Spaceflight Operations Center (ASOC) at Cape Canaveral Air Force Station in Florida on June 5, 2019. The ULA Atlas V rocket will launch the CST-100 Starliner and its crew, NASA astronauts Mike Fincke and Nicole Mann and Boeing astronaut Chris Ferguson, to the International Space Station for NASA’s Commercial Crew Program. Inside the ASOC, the booster will await the start of operations for its missions. The CFT will demonstrate Starliner and Atlas V’s ability to safely carry crew to and from the orbiting laboratory.

The United Launch Alliance (ULA) Atlas V booster that will be used for Boeing’s Crew Flight Test (CFT) nears the Atlas Spaceflight Operations Center (ASOC) at Cape Canaveral Air Force Station in Florida on June 5, 2019. The ULA Atlas V rocket will launch Starliner and its crew, NASA astronauts Mike Fincke and Nicole Mann and Boeing astronaut Chris Ferguson, to the International Space Station for NASA’s Commercial Crew Program. Inside the ASOC, the booster will await the start of operations for its missions. The CFT will demonstrate Starliner and Atlas V’s ability to safely carry crew to and from the orbiting laboratory.

From left, NASA astronauts Barry “Butch” Wilmore and Suni Williams, Boeing Crew Flight Test (CFT) commander and pilot, speak with VIPs while watching Boeing’s Starliner spacecraft atop the United Launch Alliance Atlas V rocket is seen on the launch pad of Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida on Saturday, May 4, 2024, ahead of NASA’s Boeing Crew Flight Test. As part of the agency’s Commercial Crew Program, NASA astronauts Butch Wilmore and Suni Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft. Liftoff is scheduled for 10:34 p.m. ET Monday, May 6.

NASA astronaut Barry “Butch” Wilmore, Boeing Crew Flight Test (CFT) commander, watches Boeing’s Starliner spacecraft atop the United Launch Alliance Atlas V rocket roll out from the Vertical Integration Facility to the launch pad of Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida on Saturday, May 4, 2024, ahead of NASA’s Boeing Crew Flight Test. As part of the agency’s Commercial Crew Program, NASA astronauts Butch Wilmore and Suni Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft. Liftoff is scheduled for 10:34 p.m. ET Monday, May 6.

NASA astronaut Barry “Butch” Wilmore, Boeing Crew Flight Test (CFT) commander, watches Boeing’s Starliner spacecraft atop the United Launch Alliance Atlas V rocket roll out from the Vertical Integration Facility to the launch pad of Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida on Saturday, May 4, 2024, ahead of NASA’s Boeing Crew Flight Test. As part of the agency’s Commercial Crew Program, NASA astronauts Butch Wilmore and Suni Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft. Liftoff is scheduled for 10:34 p.m. ET Monday, May 6.

NASA astronauts Barry “Butch” Wilmore, left, Mike Fincke, right, welcome the United Launch Alliance (ULA) Atlas V rocket that will transport them and NASA astronaut Nicole Mann to the International Space Station on Boeing’s CST-100 Starliner spacecraft for the company’s Crew Flight Test (CFT). The Atlas V rocket arrived at Cape Canaveral Space Force Station (CCSFS), Florida on June 21, 2021, after its journey on a rocket-delivery ship from ULA’s manufacturing factory in Decatur, Alabama. Starliner’s first flight with astronauts aboard, CFT will launch from Space Launch Complex-41 at CCSFS. The flight test will demonstrate the ability of the Atlas V and Starliner to safely carry astronauts to and from the space station for the agency’s Commercial Crew Program.

NASA's Boeing Crew Flight Test (CFT) astronauts Barry "Butch" Wilmore and Sunita "Suni" Williams pose for a picture during T-38 pre-flight activities at Ellington Field.

Boeing CFT crew member Mike Fincke with backup Barry "Butch" Wilmore during Boeing CFT/59S BU ISS EVA Maintenance 1 PRF training.

Boeing CFT crew member Mike Fincke with backup Barry "Butch" Wilmore during Boeing CFT/59S BU ISS EVA Maintenance 1 PRF training.

Boeing CFT crew member Mike Fincke with backup Barry "Butch" Wilmore during Boeing CFT/59S BU ISS EVA Maintenance 1 PRF training.

Boeing CFT crew member Mike Fincke with backup Barry "Butch" Wilmore during Boeing CFT/59S BU ISS EVA Maintenance 1 PRF training.

Boeing CST-100 MOST CFT Ascent Sim for Eric Boe, Suni Williams and Barry "Butch" Wilmore.

The United Launch Alliance Atlas V rocket that will launch Boeing’s CST-100 Starliner on the Crew Flight Test (CFT) mission to the International Space Station for NASA’s Commercial Crew Program emerged from the factory on May 24, 2019, rolling into a giant cargo ship for transport to Cape Canaveral.

The United Launch Alliance Atlas V rocket that will launch Boeing’s CST-100 Starliner on the Crew Flight Test (CFT) mission to the International Space Station for NASA’s Commercial Crew Program emerged from the factory on May 24, 2019, rolling into a giant cargo ship for transport to Cape Canaveral.

The United Launch Alliance Atlas V rocket that will launch Boeing’s CST-100 Starliner on the Crew Flight Test (CFT) mission to the International Space Station for NASA’s Commercial Crew Program emerged from the factory on May 24, 2019, rolling into a giant cargo ship for transport to Cape Canaveral.

The United Launch Alliance Atlas V rocket that will launch Boeing’s CST-100 Starliner on the Crew Flight Test (CFT) mission to the International Space Station for NASA’s Commercial Crew Program emerged from the factory on May 24, 2019, rolling into a giant cargo ship for transport to Cape Canaveral.

Boeing Commercial Crew Flight Test (CFT) Emergency Vehicle Familiarization training with Chris Ferguson, Nicole Mann, Barry Wilmore and Mike Fincke.

Boeing Commercial Crew Flight Test (CFT) Emergency Vehicle Familiarization training with Chris Ferguson, Nicole Mann, Barry Wilmore and Mike Fincke.

Boeing Crew Flight Test (CFT) with NASA astronauts Mike Fincke and Nicole Mann and Boeing Astronaut Chris Ferguson during ISS EVA Prep & Post 1 training.

Boeing Crew Flight Test (CFT) with NASA astronauts Mike Fincke and Nicole Mann and Boeing Astronaut Chris Ferguson during ISS EVA Prep & Post 1 training.

Boeing Crew Flight Test (CFT) with NASA astronauts Mike Fincke and Nicole Mann and Boeing Astronaut Chris Ferguson during ISS EVA Prep & Post 1 training.

Boeing Crew Flight Test (CFT) with NASA astronauts Mike Fincke and Nicole Mann and Boeing Astronaut Chris Ferguson during ISS EVA Prep & Post 1 training.

Boeing Crew Flight Test (CFT) with NASA astronauts Mike Fincke and Nicole Mann and Boeing Astronaut Chris Ferguson during ISS EVA Prep & Post 1 training.

Boeing Crew Flight Test (CFT) with NASA astronauts Mike Fincke and Nicole Mann and Boeing Astronaut Chris Ferguson during ISS EVA Prep & Post 1 training.

Boeing Crew Flight Test (CFT) with NASA astronauts Mike Fincke and Nicole Mann and Boeing Astronaut Chris Ferguson during ISS EVA Prep & Post 1 training.

Boeing Crew Flight Test (CFT) with NASA astronauts Mike Fincke and Nicole Mann and Boeing Astronaut Chris Ferguson during ISS EVA Prep & Post 1 training.

Boeing Crew Flight Test (CFT) with NASA astronauts Mike Fincke and Nicole Mann and Boeing Astronaut Chris Ferguson during ISS EVA Prep & Post 1 training.

Boeing Crew Flight Test (CFT) with NASA astronauts Mike Fincke and Nicole Mann and Boeing Astronaut Chris Ferguson during ISS EVA Prep & Post 1 training.

Boeing CFT crew member Mike Fincke with backup Barry "Butch" Wilmore during Boeing CFT/59S BU ISS EVA Maintenance 1 PRF training.

Boeing CFT crew member Mike Fincke with backup Barry "Butch" Wilmore during Boeing CFT/59S BU ISS EVA Maintenance 1 PRF training.

Boeing CFT crew member Mike Fincke with backup Barry "Butch" Wilmore during Boeing CFT/59S BU ISS EVA Maintenance 1 PRF training.

NASA astronaut Barry “Butch” Wilmore, Boeing Crew Flight Test (CFT) commander, checks his spacesuit during a crew validation test inside the Astronaut Crew Quarters at NASA’s Kennedy Space Center in Florida on Oct. 18, 2022. Wilmore, along with NASA astronauts Suni Williams, CFT pilot, and Mike Fincke, CFT backup spacecraft test pilot, with assistance from the Boeing team, successfully completed the validation test during which they suited up and tested out the pressurized crew module to ensure seat fit, suit functionality, cabin temperature, audio system, and day of launch operations. Boeing’s CFT is scheduled to launch in April 2023.

NASA astronaut Suni Williams, pilot for Boeing’s Crew Flight Test (CFT), checks her spacesuit during a crew validation test inside the Astronaut Crew Quarters at NASA’s Kennedy Space Center in Florida on Oct. 18, 2022. Williams, along with NASA astronauts Barry “Butch” Wilmore, CFT commander, and Mike Fincke, CFT backup spacecraft test pilot, with assistance from the Boeing team, successfully completed the validation test during which they suited up and tested out the pressurized crew module to ensure seat fit, suit functionality, cabin temperature, audio system, and day of launch operations. Boeing’s CFT is scheduled to launch in April 2023.

NASA astronaut Barry “Butch” Wilmore (right), Boeing Crew Flight Test (CFT) commander, and Mike Fincke, CFT backup spacecraft test pilot, check their spacesuits during a crew validation test inside the Astronaut Crew Quarters at NASA’s Kennedy Space Center in Florida on Oct. 18, 2022. Wilmore and Fincke, along with NASA astronaut Suni Williams, CFT pilot, with assistance from the Boeing team, successfully completed the validation test during which they suited up and tested out the pressurized crew module to ensure seat fit, suit functionality, cabin temperature, audio system, and day of launch operations. Boeing’s CFT is scheduled to launch in April 2023.

NASA astronaut Suni Williams, pilot for Boeing’s Crew Flight Test (CFT), checks her spacesuit and helmet during a crew validation test inside the Astronaut Crew Quarters at NASA’s Kennedy Space Center in Florida on Oct. 18, 2022. Williams, along with NASA astronauts Barry “Butch” Wilmore, CFT commander, and Mike Fincke, CFT backup spacecraft test pilot, with assistance from the Boeing team, successfully completed the validation test during which they suited up and tested out the pressurized crew module to ensure seat fit, suit functionality, cabin temperature, audio system, and day of launch operations. Boeing’s CFT is scheduled to launch in April 2023.

From left, NASA astronaut Suni Williams, Boeing Crew Flight Test (CFT) pilot, and Mike Fincke, CFT backup spacecraft test pilot, do a fist bump during a crew validation test inside the Astronaut Crew Quarters at NASA’s Kennedy Space Center in Florida on Oct. 18, 2022. Williams and Fincke, along with Barry “Butch” Wilmore, CFT commander, with assistance from the Boeing team, successfully completed the validation test during which they suited up and tested out the pressurized crew module to ensure seat fit, suit functionality, cabin temperature, audio system, and day of launch operations. Boeing’s CFT is scheduled to launch in April 2023.

NASA astronaut Suni Williams, pilot for Boeing’s Crew Flight Test (CFT), checks her spacesuit and helmet during a crew validation test inside the Astronaut Crew Quarters at NASA’s Kennedy Space Center in Florida on Oct. 18, 2022. Williams, along with NASA astronauts Barry “Butch” Wilmore, CFT commander, and Mike Fincke, CFT backup spacecraft test pilot, with assistance from the Boeing team, successfully completed the validation test during which they suited up and tested out the pressurized crew module to ensure seat fit, suit functionality, cabin temperature, audio system, and day of launch operations. Boeing’s CFT is scheduled to launch in April 2023.

NASA astronaut Barry “Butch” Wilmore, Boeing Crew Flight Test (CFT) commander, checks his helmet during a crew validation test inside the Astronaut Crew Quarters at NASA’s Kennedy Space Center in Florida on Oct. 18, 2022. Wilmore, along with NASA astronauts Suni Williams, CFT pilot, and Mike Fincke, CFT backup spacecraft test pilot, with assistance from the Boeing team, successfully completed the validation test during which they suited up and tested out the pressurized crew module to ensure seat fit, suit functionality, cabin temperature, audio system, and day of launch operations. Boeing’s CFT is scheduled to launch in April 2023.

NASA astronaut Barry “Butch” Wilmore, Boeing Crew Flight Test (CFT) commander, checks his spacesuit and helmet during a crew validation test inside the Astronaut Crew Quarters at NASA’s Kennedy Space Center in Florida on Oct. 18, 2022. Wilmore, along with NASA astronauts Suni Williams, CFT pilot, and Mike Fincke, CFT backup spacecraft test pilot, with assistance from the Boeing team, successfully completed the validation test during which they suited up and tested out the pressurized crew module to ensure seat fit, suit functionality, cabin temperature, audio system, and day of launch operations. Boeing’s CFT is scheduled to launch in April 2023.

A crew transportation vehicle carrying NASA astronauts Suni Williams and Barry “Butch” Wilmore drives past the iconic Vehicle Assembly Building at the agency’s Kennedy Space Center in Florida on Wednesday, Jan. 31, 2024, as part of an integrated crew exercise simulation for NASA’s Boeing Crew Flight Test (CFT). The integrated exercise involved participation from the flight crew, NASA, Boeing, and United Launch Alliance (ULA), and allowed teams to rehearse prelaunch operations beginning roughly four hours before a targeted liftoff. CFT will be the first flight with astronauts to the International Space Station for Boeing’s Starliner spacecraft as part of NASA’s Commercial Crew Program. Starliner is scheduled to launch atop ULA’s Atlas V rocket no earlier than mid-April 2024.

A crew transportation vehicle carrying NASA astronauts Suni Williams and Barry “Butch” Wilmore drives past the iconic Vehicle Assembly Building at the agency’s Kennedy Space Center in Florida on Wednesday, Jan. 31, 2024, as part of an integrated crew exercise simulation for NASA’s Boeing Crew Flight Test (CFT). The integrated exercise involved participation from the flight crew, NASA, Boeing, and United Launch Alliance (ULA), and allowed teams to rehearse prelaunch operations beginning roughly four hours before a targeted liftoff. CFT will be the first flight with astronauts to the International Space Station for Boeing’s Starliner spacecraft as part of NASA’s Commercial Crew Program. Starliner is scheduled to launch atop ULA’s Atlas V rocket no earlier than mid-April 2024.

A crew transportation vehicle carrying NASA astronauts Suni Williams and Barry “Butch” Wilmore drives past the iconic Vehicle Assembly Building at the agency’s Kennedy Space Center in Florida on Wednesday, Jan. 31, 2024, as part of an integrated crew exercise simulation for NASA’s Boeing Crew Flight Test (CFT). The integrated exercise involved participation from the flight crew, NASA, Boeing, and United Launch Alliance (ULA), and allowed teams to rehearse prelaunch operations beginning roughly four hours before a targeted liftoff. CFT will be the first flight with astronauts to the International Space Station for Boeing’s Starliner spacecraft as part of NASA’s Commercial Crew Program. Starliner is scheduled to launch atop ULA’s Atlas V rocket no earlier than mid-April 2024.

A United Launch Alliance Atlas V rocket soars upward from the pad at Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida at 10:52 a.m. EDT Wednesday, June 5, 2024, carrying a Boeing Starliner spacecraft for NASA’s Boeing Crew Flight Test to the International Space Station. Aboard Starliner are NASA astronauts Butch Wilmore and Suni Williams on the first crewed flight of the spacecraft as part of the agency’s Commercial crew Program.

A United Launch Alliance Atlas V rocket carrying a Boeing Starliner spacecraft launches NASA’s Boeing Crew Flight Test with NASA astronauts Butch Wilmore and Suni Williams aboard at 10:52 a.m. EDT Wednesday, June 5, 2024, from Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida. Wilmore and Williams are the first to launch aboard Boeing’s Starliner spacecraft to the International Space Station as part of the agency’s Commercial Crew Program.

A United Launch Alliance Atlas V rocket carrying a Boeing Starliner spacecraft launches NASA’s Boeing Crew Flight Test with NASA astronauts Butch Wilmore and Suni Williams aboard at 10:52 a.m. EDT Wednesday, June 5, 2024, from Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida. Wilmore and Williams are the first to launch aboard Boeing’s Starliner spacecraft to the International Space Station as part of the agency’s Commercial Crew Program.

A United Launch Alliance Atlas V rocket soars upward from the pad at Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida at 10:52 a.m. EDT Wednesday, June 5, 2024, carrying a Boeing Starliner spacecraft for NASA’s Boeing Crew Flight Test to the International Space Station. Aboard Starliner are NASA astronauts Butch Wilmore and Suni Williams on the first crewed flight of the spacecraft as part of the agency’s Commercial crew Program.

A United Launch Alliance Atlas V rocket carrying a Boeing Starliner spacecraft launches NASA’s Boeing Crew Flight Test with NASA astronauts Butch Wilmore and Suni Williams aboard at 10:52 a.m. EDT Wednesday, June 5, 2024, from Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida. Wilmore and Williams are the first to launch aboard Boeing’s Starliner spacecraft to the International Space Station as part of the agency’s Commercial Crew Program.

A United Launch Alliance Atlas V rocket carrying a Boeing Starliner spacecraft launches NASA’s Boeing Crew Flight Test with NASA astronauts Butch Wilmore and Suni Williams aboard at 10:52 a.m. EDT Wednesday, June 5, 2024, from Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida. Wilmore and Williams are the first to launch aboard Boeing’s Starliner spacecraft to the International Space Station as part of the agency’s Commercial Crew Program.

A United Launch Alliance Atlas V rocket carrying a Boeing Starliner spacecraft launches NASA’s Boeing Crew Flight Test with NASA astronauts Butch Wilmore and Suni Williams aboard at 10:52 a.m. EDT Wednesday, June 5, 2024, from Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida. Wilmore and Williams are the first to launch aboard Boeing’s Starliner spacecraft to the International Space Station as part of the agency’s Commercial Crew Program.

From left, NASA astronaut Suni Williams, Boeing Crew Flight Test (CFT) pilot, watches as NASA astronaut Barry “Butch” Wilmore, CFT commander, checks out his spacesuit and helmet during a crew validation test inside the Astronaut Crew Quarters at NASA’s Kennedy Space Center in Florida on Oct. 18, 2022. Williams and Wilmore, along with Mike Fincke, CFT backup spacecraft test pilot, with assistance from the Boeing team, successfully completed the validation test during which they suited up and tested out the pressurized crew module to ensure seat fit, suit functionality, cabin temperature, audio system, and day of launch operations. Boeing’s CFT is scheduled to launch in April 2023.

NASA astronaut Mike Fincke, at right, backup spacecraft test pilot for Boeing’s Crew Flight Test (CFT), checks his spacesuit during a crew validation test inside the Astronaut Crew Quarters at NASA’s Kennedy Space Center in Florida on Oct. 18, 2022. Fincke, with NASA astronauts Suni Williams and Barry “Butch” Wilmore, CFT pilot and commander, respectively, along with assistance from the Boeing team, successfully completed the validation test during which they suited up and tested out the pressurized crew module to ensure seat fit, suit functionality, cabin temperature, audio system, and day of launch operations. Boeing’s CFT is scheduled to launch in April 2023.

From left, NASA astronauts Suni Williams and Barry “Butch” Wilmore, Boeing Crew Flight Test (CFT) pilot and commander, respectively, check their spacesuits during a crew validation test inside the Astronaut Crew Quarters at NASA’s Kennedy Space Center in Florida on Oct. 18, 2022. Williams and Wilmore, along with Mike Fincke, CFT backup spacecraft test pilot, with assistance from the Boeing team, successfully completed the validation test during which they suited up and tested out the pressurized crew module to ensure seat fit, suit functionality, cabin temperature, audio system, and day of launch operations. Boeing’s CFT is scheduled to launch in April 2023.

The signatures of NASA astronauts Butch Wilmore and Suni Williams are photographed alongside NASA’s Boeing Crew Flight Test mission insignia inside the Astronaut Crew Quarters in the Neil A. Armstrong Operations and Checkout Building at NASA’s Kennedy Space Center in Florida on Friday, April 26, 2024. Wilmore and Williams are the first to launch aboard Boeing’s Starliner spacecraft atop a United Launch Alliance Atlas V rocket from Space Launch Complex-41 at nearby Cape Canaveral Space Force Station. Liftoff is scheduled for 10:34 p.m. ET on Monday, May 6.

The signatures of NASA astronauts Butch Wilmore and Suni Williams are photographed alongside NASA’s Boeing Crew Flight Test mission insignia inside the Astronaut Crew Quarters in the Neil A. Armstrong Operations and Checkout Building at NASA’s Kennedy Space Center in Florida on Friday, April 26, 2024. Wilmore and Williams are the first to launch aboard Boeing’s Starliner spacecraft atop a United Launch Alliance Atlas V rocket from Space Launch Complex-41 at nearby Cape Canaveral Space Force Station. Liftoff is scheduled for 10:34 p.m. ET on Monday, May 6.

Boeing’s Starliner spacecraft atop the United Launch Alliance Atlas V rocket rolls out from the Vertical Integration Facility to the launch pad of Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida on Saturday, May 4, 2024, ahead of NASA’s Boeing Crew Flight Test. As part of the agency’s Commercial Crew Program, NASA astronauts Butch Wilmore and Suni Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft. Liftoff is scheduled for 10:34 p.m. ET Monday, May 6.

Boeing’s Starliner spacecraft atop the United Launch Alliance Atlas V rocket rolls out from the Vertical Integration Facility to the launch pad of Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida on Saturday, May 4, 2024, ahead of NASA’s Boeing Crew Flight Test. As part of the agency’s Commercial Crew Program, NASA astronauts Butch Wilmore and Suni Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft. Liftoff is scheduled for 10:34 p.m. ET Monday, May 6.

From left to right, Ian Kappes, deputy launch vehicle office manager, NASA Kennedy Space Center Commercial Crew Program; Steve Stich, manager, NASA’s Commercial Crew Program; Mark Nappi, vice president and program manager, Boeing Commercial Crew Program; Leroy Cain, mission integration and operations manager, Boeing’s Commercial Crew Program; Dana Hutcherson, deputy program manager, NASA’s Commercial Crew Program; and Richard Jones, deputy program manager, NASA’s Commercial Crew Program, prepare to raise NASA’s Boeing Crew Flight Test flag on Thursday, April 25, 2024, near the countdown clock at the Press Site at the Florida spaceport. As part of the agency’s Commercial Crew Program, NASA astronauts Butch Wilmore and Suni Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft atop a United Launch Alliance Atlas V rocket from Space Launch Complex-41 at nearby Cape Canaveral Space Force Station. Liftoff is scheduled for 10:34 p.m. ET on Monday, May 6.

Boeing’s Starliner spacecraft atop the United Launch Alliance Atlas V rocket rolls out from the Vertical Integration Facility to the launch pad of Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida on Saturday, May 4, 2024, ahead of NASA’s Boeing Crew Flight Test. As part of the agency’s Commercial Crew Program, NASA astronauts Butch Wilmore and Suni Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft. Liftoff is scheduled for 10:34 p.m. ET Monday, May 6.

From left to right, Rami Intriago, Boeing Starliner resident office manager, NASA’s Kennedy Space Center Commercial Crew Program; Steve Stich, manager, NASA’s Commercial Crew Program; Mark Nappi, vice president and manager, Boeing Commercial Crew Program; Leroy Cain, mission integration and operations manager, Boeing’s Commercial Crew Program; Dana Hutcherson, deputy manager, NASA’s Commercial Crew Program; and Richard Jones, deputy manager, NASA’s Johnson Space Center Commercial Crew Program, prepare to raise NASA’s Boeing Crew Flight Test flag on Thursday, April 25, 2024, near the countdown clock at the Press Site at the Florida spaceport. As part of the agency’s Commercial Crew Program, NASA astronauts Butch Wilmore and Suni Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft atop a United Launch Alliance Atlas V rocket from Space Launch Complex-41 at nearby Cape Canaveral Space Force Station. Liftoff is scheduled for 10:34 p.m. ET on Monday, May 6.

During a mission dress rehearsal, NASA’s Boeing Crew Flight Test astronaut Butch Wilmore is photographed in his Boeing spacesuit inside the crew suit-up room inside the Neil A. Armstrong Operations and Checkout Building at the agency’s Kennedy Space Center in Florida on Friday, April 26, 2024. As part of the agency’s Commercial Crew Program, Wilmore and Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft. Liftoff atop a United Launch Alliance Atlas V rocket from Space Launch Complex-41 at nearby Cape Canaveral Space Force Station is scheduled for 10:34 p.m. ET Monday, May 6.

Mission managers with NASA, Boeing, and United Launch Alliance gather on Thursday, April 25, 2024, at the agency’s Kennedy Space Center in Florida to complete a Flight Test Readiness Review for NASA’s Boeing Crew Flight Test. As part of the agency’s Commercial Crew Program, NASA astronauts Butch Wilmore and Suni Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft atop an Atlas V rocket from Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida. Liftoff is scheduled for 10:34 p.m. ET on Monday, May 6.

From left to right, Courtney Stern, ground and mission operations recovery/rescue, NASA Kennedy Space Center Commercial Crew Program; Steve Stich, manager, NASA’s Commercial Crew Program; Mark Nappi, vice president and manager, Boeing Commercial Crew Program; Leroy Cain, mission integration and operations manager, Boeing’s Commercial Crew Program; Dana Hutcherson, deputy manager, NASA’s Commercial Crew Program; and Richard Jones, deputy manager, NASA’s Commercial Crew Program, prepare to raise the NASA’s Boeing Crew Flight Test flag on Thursday, April 25, 2024, near the countdown clock at the Press Site at the Florida spaceport. As part of the agency’s Commercial Crew Program, NASA astronauts Butch Wilmore and Suni Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft atop a United Launch Alliance Atlas V rocket from nearby Space Launch Complex-41 at Cape Canaveral Space Force Station. Liftoff is scheduled for 10:34 p.m. ET on Monday, May 6.

During a mission dress rehearsal, NASA’s Boeing Crew Flight Test astronaut Suni Williams is photographed in her Boeing spacesuit inside the crew suit-up room inside the Neil A. Armstrong Operations and Checkout Building at the agency’s Kennedy Space Center in Florida on Friday, April 26, 2024. As part of the agency’s Commercial Crew Program, Wilmore and Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft. Liftoff atop a United Launch Alliance Atlas V rocket from Space Launch Complex-41 at nearby Cape Canaveral Space Force Station is scheduled for 10:34 p.m. ET Monday, May 6.

NASA's Boeing Crew Test Flight is scheduled to launch at 10:34p.m. EDT on Monday, May 6. The mission will carry two NASA Astronauts to the International Space Station aboard Boeing's Starliner spacecraft for the agency's Commercial Crew Program

Mission managers with NASA, Boeing, and United Launch Alliance gather on Thursday, April 25, 2024, at the agency’s Kennedy Space Center in Florida to complete a Flight Test Readiness Review for NASA’s Boeing Crew Flight Test. As part of the agency’s Commercial Crew Program, NASA astronauts Butch Wilmore and Suni Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft atop an Atlas V rocket from Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida. Liftoff is scheduled for 10:34 p.m. ET on Monday, May 6.

Boeing’s Starliner spacecraft atop the United Launch Alliance Atlas V rocket rolls out from the Vertical Integration Facility to the launch pad of Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida on Saturday, May 4, 2024, ahead of NASA’s Boeing Crew Flight Test. As part of the agency’s Commercial Crew Program, NASA astronauts Butch Wilmore and Suni Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft. Liftoff is scheduled for 10:34 p.m. ET Monday, May 6.

Boeing’s Starliner spacecraft atop the United Launch Alliance Atlas V rocket is seen on the launch pad of Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida on Saturday, May 4, 2024, ahead of NASA’s Boeing Crew Flight Test. As part of the agency’s Commercial Crew Program, NASA astronauts Butch Wilmore and Suni Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft. Liftoff is scheduled for 10:34 p.m. ET Monday, May 6.

Boeing’s Starliner spacecraft atop the United Launch Alliance Atlas V rocket rolls out from the Vertical Integration Facility to the launch pad of Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida on Saturday, May 4, 2024, ahead of NASA’s Boeing Crew Flight Test. As part of the agency’s Commercial Crew Program, NASA astronauts Butch Wilmore and Suni Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft. Liftoff is scheduled for 10:34 p.m. ET Monday, May 6.

Boeing’s Starliner spacecraft atop the United Launch Alliance Atlas V rocket rolls out from the Vertical Integration Facility to the launch pad of Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida on Saturday, May 4, 2024, ahead of NASA’s Boeing Crew Flight Test. As part of the agency’s Commercial Crew Program, NASA astronauts Butch Wilmore and Suni Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft. Liftoff is scheduled for 10:34 p.m. ET Monday, May 6.

Boeing’s Starliner spacecraft atop the United Launch Alliance Atlas V rocket rolls out from the Vertical Integration Facility to the launch pad of Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida on Saturday, May 4, 2024, ahead of NASA’s Boeing Crew Flight Test. As part of the agency’s Commercial Crew Program, NASA astronauts Butch Wilmore and Suni Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft. Liftoff is scheduled for 10:34 p.m. ET Monday, May 6.

The signatures of NASA astronauts Butch Wilmore and Suni Williams are photographed alongside NASA’s Boeing Crew Flight Test mission insignia inside the Astronaut Crew Quarters in the Neil A. Armstrong Operations and Checkout Building at NASA’s Kennedy Space Center in Florida on Friday, April 26, 2024. Wilmore and Williams are the first to launch aboard Boeing’s Starliner spacecraft atop a United Launch Alliance Atlas V rocket from Space Launch Complex-41 at nearby Cape Canaveral Space Force Station. Liftoff is scheduled for 10:34 p.m. ET on Monday, May 6.

During a mission dress rehearsal, NASA’s Boeing Crew Flight Test astronaut Suni Williams flashes a thumbs up in her Boeing spacesuit inside the crew suit-up room inside the Neil A. Armstrong Operations and Checkout Building at the agency’s Kennedy Space Center in Florida on Friday, April 26, 2024. As part of the agency’s Commercial Crew Program, Wilmore and Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft. Liftoff atop a United Launch Alliance Atlas V rocket from Space Launch Complex-41 at nearby Cape Canaveral Space Force Station is scheduled for 10:34 p.m. ET Monday, May 6.

Boeing’s Starliner spacecraft atop the United Launch Alliance Atlas V rocket is seen on the launch pad of Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida on Saturday, May 4, 2024, ahead of NASA’s Boeing Crew Flight Test. As part of the agency’s Commercial Crew Program, NASA astronauts Butch Wilmore and Suni Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft. Liftoff is scheduled for 10:34 p.m. ET Monday, May 6.

NASA, Boeing, and United Launch Alliance leadership gather for a group photo on Thursday, April 25, 2024, at the agency’s Kennedy Space Center in Florida on the second and final day of a Flight Test Readiness Review for the agency’s Boeing Crew Flight Test to the International Space Station. As part of the agency’s Commercial Crew Program, NASA astronauts Butch Wilmore and Suni Williams are the first to launch aboard Boeing’s Starliner spacecraft atop an Atlas V rocket from Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida. Liftoff is scheduled for 10:34 p.m. ET on Monday, May 6.

Boeing’s Starliner spacecraft atop the United Launch Alliance Atlas V rocket rolls out from the Vertical Integration Facility to the launch pad of Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida on Saturday, May 4, 2024, ahead of NASA’s Boeing Crew Flight Test. As part of the agency’s Commercial Crew Program, NASA astronauts Butch Wilmore and Suni Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft. Liftoff is scheduled for 10:34 p.m. ET Monday, May 6.

NASA’s Boeing Crew Flight Test astronauts Butch Wilmore and Suni Williams exit the Neil A. Armstrong Operations and Checkout Building at the agency’s Kennedy Space Center in Florida during a mission dress rehearsal on Friday, April 26, 2024. As part of the agency’s Commercial Crew Program, Wilmore and Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft. Liftoff atop a United Launch Alliance Atlas V rocket from Space Launch Complex-41 at nearby Cape Canaveral Space Force Station is scheduled for 10:34 p.m. ET Monday, May 6.

Boeing’s Starliner spacecraft atop the United Launch Alliance Atlas V rocket rolls out from the Vertical Integration Facility to the launch pad of Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida on Saturday, May 4, 2024, ahead of NASA’s Boeing Crew Flight Test. As part of the agency’s Commercial Crew Program, NASA astronauts Butch Wilmore and Suni Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft. Liftoff is scheduled for 10:34 p.m. ET Monday, May 6.

Steve Stich, manager, NASA’s Commercial Crew Program participates in a Flight Test Readiness Review for NASA’s Boeing Crew Flight Test at the agency’s Kennedy Space Center in Florida on Thursday, April 25, 2024. As part of the agency’s Commercial Crew Program, NASA astronauts Butch Wilmore and Suni Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft atop a United Launch Alliance Atlas V rocket from Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida. Liftoff is scheduled for 10:34 p.m. ET on Monday, May 6.

NASA’s Boeing Crew Flight Test astronaut Suni Williams flashes a thumbs up after exiting the Neil A. Armstrong Operations and Checkout Building at the agency’s Kennedy Space Center in Florida during a mission dress rehearsal on Friday, April 26, 2024. As part of the agency’s Commercial Crew Program, Wilmore and Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft. Liftoff atop a United Launch Alliance Atlas V rocket from Space Launch Complex-41 at nearby Cape Canaveral Space Force Station is scheduled for 10:34 p.m. ET Monday, May 6.

Boeing’s Starliner spacecraft atop the United Launch Alliance Atlas V rocket is seen on the launch pad of Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida on Saturday, May 4, 2024, ahead of NASA’s Boeing Crew Flight Test. As part of the agency’s Commercial Crew Program, NASA astronauts Butch Wilmore and Suni Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft. Liftoff is scheduled for 10:34 p.m. ET Monday, May 6.

Boeing’s Starliner spacecraft atop the United Launch Alliance Atlas V rocket rolls out from the Vertical Integration Facility to the launch pad of Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida on Saturday, May 4, 2024, ahead of NASA’s Boeing Crew Flight Test. As part of the agency’s Commercial Crew Program, NASA astronauts Butch Wilmore and Suni Williams are the first to launch to the International Space Station aboard Boeing’s Starliner spacecraft. Liftoff is scheduled for 10:34 p.m. ET Monday, May 6.
