![Chris O'MEara Boeing's Starliner capsule, atop an Atlas V rocket, sits on the launch pad at Space Launch Complex 41 Friday, May 31, 2024, in Cape Canaveral, Fla. NASA astronauts Butch Wilmore and Suni Williams will launch aboard the rocket to the International Space Station, scheduled for liftoff on June 1. (AP Photo/Chris O'Meara)](https://mapi.associatedpress.com/v2/items/9ed5f98d9c364daa9b363e0f7a4f9eba/preview/preview.jpg?s=680x)
Boeing's Starliner capsule, atop an Atlas V rocket, sits on the launch pad at Space Launch Complex 41 Friday, May 31, 2024, in Cape Canaveral, Fla. NASA astronauts Butch Wilmore and Suni Williams will launch aboard the rocket to the International Space Station, scheduled for liftoff on June 1. (AP Photo/Chris O'Meara)
![Chris O'MEara Boeing's Starliner capsule, atop an Atlas V rocket, sits on the launch pad at Space Launch Complex 41 Friday, May 31, 2024, in Cape Canaveral, Fla. NASA astronauts Butch Wilmore and Suni Williams will launch aboard the rocket to the International Space Station, scheduled for liftoff on June 1. (AP Photo/Chris O'Meara)](https://mapi.associatedpress.com/v2/items/f966ef5a0b9a4dd1bb569e4802f61f48/preview/preview.jpg?s=680x)
Boeing's Starliner capsule, atop an Atlas V rocket, sits on the launch pad at Space Launch Complex 41 Friday, May 31, 2024, in Cape Canaveral, Fla. NASA astronauts Butch Wilmore and Suni Williams will launch aboard the rocket to the International Space Station, scheduled for liftoff on June 1. (AP Photo/Chris O'Meara)
![Chris O'MEara Boeing's Starliner capsule, atop an Atlas V rocket, lifts off from launch pad at Space Launch Complex 41 Wednesday, June 5, 2024, in Cape Canaveral, Fla. NASA astronauts Butch Wilmore and Suni Williams are headed to the International Space Station. (AP Photo/Chris O'Meara)](https://mapi.associatedpress.com/v2/items/88e6a57519da4c02b100d1fd0a2bd5fa/preview/preview.jpg?s=680x)
Boeing's Starliner capsule, atop an Atlas V rocket, lifts off from launch pad at Space Launch Complex 41 Wednesday, June 5, 2024, in Cape Canaveral, Fla. NASA astronauts Butch Wilmore and Suni Williams are headed to the International Space Station. (AP Photo/Chris O'Meara)
![Chris O'MEara Boeing's Starliner capsule, atop an Atlas V rocket, lifts off from launch pad at Space Launch Complex 41 Wednesday, June 5, 2024, in Cape Canaveral, Fla. NASA astronauts Butch Wilmore and Suni Williams are headed to the International Space Station. (AP Photo/Chris O'Meara)](https://mapi.associatedpress.com/v2/items/b98d564d0987403e929d938afbf18b40/preview/preview.jpg?s=680x)
Boeing's Starliner capsule, atop an Atlas V rocket, lifts off from launch pad at Space Launch Complex 41 Wednesday, June 5, 2024, in Cape Canaveral, Fla. NASA astronauts Butch Wilmore and Suni Williams are headed to the International Space Station. (AP Photo/Chris O'Meara)
![Chris O'MEara NASA astronauts Suni Williams, left, and Butch Wilmore pose for a photo after leaving the operations and checkout building for a trip to launch pad at Space Launch Complex 41 Wednesday, June 5, 2024, in Cape Canaveral, Fla. The two astronauts are scheduled to liftoff later today on the Boeing Starliner capsule for a trip to the international space station. (AP Photo/Chris O'Meara)](https://mapi.associatedpress.com/v2/items/245b83524b2241bc88519271f1c8e63d/preview/preview.jpg?s=680x)
NASA astronauts Suni Williams, left, and Butch Wilmore pose for a photo after leaving the operations and checkout building for a trip to launch pad at Space Launch Complex 41 Wednesday, June 5, 2024, in Cape Canaveral, Fla. The two astronauts are scheduled to liftoff later today on the Boeing Starliner capsule for a trip to the international space station. (AP Photo/Chris O'Meara)