Boeing's Starliner capsule atop an Atlas V rocket stands ready for its upcoming mission at Space Launch Complex 41 at the Cape Canaveral Space Force Station, Sunday, May 5, 2024, in Cape Canaveral, Fla. Launch is scheduled for Monday evening.
Boeing's Starliner capsule atop an Atlas V rocket stands ready for its upcoming mission at Space Launch Complex 41 at the Cape Canaveral Space Force Station, Sunday, May 5, 2024, in Cape Canaveral, Fla. Launch is scheduled for Monday evening.
Boeing's Starliner capsule atop an Atlas V rocket stands ready for its upcoming mission at Space Launch Complex 41 at the Cape Canaveral Space Force Station, Sunday, May 5, 2024, in Cape Canaveral, Fla. Launch is scheduled for Monday evening.
Boeing's Starliner capsule atop an Atlas V rocket stands ready for its upcoming mission at Space Launch Complex 41 at the Cape Canaveral Space Force Station, Sunday, May 5, 2024, in Cape Canaveral, Fla. Launch is scheduled for Monday evening.
Boeing's Starliner capsule atop an Atlas V rocket stands ready for its upcoming mission at Space Launch Complex 41 at the Cape Canaveral Space Force Station, Sunday, May 5, 2024, in Cape Canaveral, Fla. Launch is scheduled for Monday evening.
Boeing's Starliner capsule atop an Atlas V rocket is seen at Space Launch Complex 41 after the launch attempt was scrubbed at the Cape Canaveral Space Force Station, late Monday, May 6, 2024, in Cape Canaveral, Fla.
NASA astronaut Butch Wilmore carries roses to hand out to relatives as he leaves the Operations and Checkout building before heading to Space Launch Complex 41 to board the Boeing's Starliner capsule atop an Atlas V rocket for a mission to the International Space Station at the Cape Canaveral Space Force Station Monday, May 6, 2024, in Cape Canaveral, Fla.
NASA astronauts Butch Wilmore, left, and Suni Williams leave the Operations and Checkout building before heading to Space Launch Complex 41 to board Boeing's Starliner capsule atop an Atlas V rocket for a mission to the International Space Station at the Cape Canaveral Space Force Station, Monday, May 6, 2024, in Cape Canaveral, Fla.
NASA astronaut Butch Wilmore gives an air fist bump to well-wishers as he leaves the Operations and Checkout building before heading to Space Launch Complex 41 to board Boeing's Starliner capsule atop an Atlas V rocket for a mission to the International Space Station at the Cape Canaveral Space Force Station Monday, May 6, 2024, in Cape Canaveral, Fla.
NASA astronaut Suni Williams waves to well wishers as she leaves the Operations and Checkout building before heading to Space Launch Complex 41 to board the Boeing's Starliner capsule atop an Atlas V rocket for a mission to the International Space Station at the Cape Canaveral Space Force Station, Monday, May 6, 2024, in Cape Canaveral, Fla.
NASA astronaut Suni Williams laughs with relatives as she leaves the Operations and Checkout building before heading to Space Launch Complex 41 to board the Boeing's Starliner capsule atop an Atlas V rocket for a mission to the International Space Station at the Cape Canaveral Space Force Station, Monday, May 6, 2024, in Cape Canaveral, Fla.
Boeing's Starliner capsule atop an Atlas V rocket stands ready for its upcoming mission at Space Launch Complex 41 at the Cape Canaveral Space Force Station, Sunday, May 5, 2024, in Cape Canaveral, Fla. Launch is scheduled for Monday evening.
John Raoux - staff, ASSOCIATED PRESS
Boeing's Starliner capsule atop an Atlas V rocket stands ready for its upcoming mission at Space Launch Complex 41 at the Cape Canaveral Space Force Station, Sunday, May 5, 2024, in Cape Canaveral, Fla. Launch is scheduled for Monday evening.
Terry Renna - freelancer, ASSOCIATED PRESS
Boeing's Starliner capsule atop an Atlas V rocket stands ready for its upcoming mission at Space Launch Complex 41 at the Cape Canaveral Space Force Station, Sunday, May 5, 2024, in Cape Canaveral, Fla. Launch is scheduled for Monday evening.
John Raoux - staff, ASSOCIATED PRESS
Boeing's Starliner capsule atop an Atlas V rocket stands ready for its upcoming mission at Space Launch Complex 41 at the Cape Canaveral Space Force Station, Sunday, May 5, 2024, in Cape Canaveral, Fla. Launch is scheduled for Monday evening.
Terry Renna - freelancer, ASSOCIATED PRESS
Boeing's Starliner capsule atop an Atlas V rocket stands ready for its upcoming mission at Space Launch Complex 41 at the Cape Canaveral Space Force Station, Sunday, May 5, 2024, in Cape Canaveral, Fla. Launch is scheduled for Monday evening.
John Raoux - staff, ASSOCIATED PRESS
Boeing's Starliner capsule atop an Atlas V rocket is seen at Space Launch Complex 41 after the launch attempt was scrubbed at the Cape Canaveral Space Force Station, late Monday, May 6, 2024, in Cape Canaveral, Fla.
Terry Renna - freelancer, ASSOCIATED PRESS
NASA astronaut Butch Wilmore carries roses to hand out to relatives as he leaves the Operations and Checkout building before heading to Space Launch Complex 41 to board the Boeing's Starliner capsule atop an Atlas V rocket for a mission to the International Space Station at the Cape Canaveral Space Force Station Monday, May 6, 2024, in Cape Canaveral, Fla.
John Raoux - staff, ASSOCIATED PRESS
NASA astronauts Butch Wilmore, left, and Suni Williams leave the Operations and Checkout building before heading to Space Launch Complex 41 to board Boeing's Starliner capsule atop an Atlas V rocket for a mission to the International Space Station at the Cape Canaveral Space Force Station, Monday, May 6, 2024, in Cape Canaveral, Fla.
John Raoux - staff, ASSOCIATED PRESS
NASA astronaut Butch Wilmore gives an air fist bump to well-wishers as he leaves the Operations and Checkout building before heading to Space Launch Complex 41 to board Boeing's Starliner capsule atop an Atlas V rocket for a mission to the International Space Station at the Cape Canaveral Space Force Station Monday, May 6, 2024, in Cape Canaveral, Fla.
John Raoux - staff, ASSOCIATED PRESS
NASA astronaut Suni Williams waves to well wishers as she leaves the Operations and Checkout building before heading to Space Launch Complex 41 to board the Boeing's Starliner capsule atop an Atlas V rocket for a mission to the International Space Station at the Cape Canaveral Space Force Station, Monday, May 6, 2024, in Cape Canaveral, Fla.
John Raoux - staff, ASSOCIATED PRESS
NASA astronaut Suni Williams laughs with relatives as she leaves the Operations and Checkout building before heading to Space Launch Complex 41 to board the Boeing's Starliner capsule atop an Atlas V rocket for a mission to the International Space Station at the Cape Canaveral Space Force Station, Monday, May 6, 2024, in Cape Canaveral, Fla.
CAPE CANAVERAL — Boeing called off its first astronaut launch because of a valve problem on the rocket Monday night.
The two NASA test pilots had just strapped into Boeing’s Starliner capsule when the countdown was halted, just two hours before the planned liftoff. A United Launch Alliance engineer, Dillon Rice, said the issue involved an oxygen relief valve on the upper stage of the company's Atlas rocket.
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