With just over two hours on the countdown clock before a planned 10:34 p.m. liftoff, an issue with an oxygen relief valve led to the call while NASA astronauts Butch Wilmore and Suni Williams were strapped into the spacecraft.
With just over two hours on the countdown clock before a planned 10:34 p.m. liftoff, an issue with an oxygen relief valve led to the call while NASA astronauts Butch Wilmore and Suni Williams were strapped into the spacecraft.
With just over two hours on the countdown clock before a planned 10:34 p.m. liftoff, an issue with an oxygen relief valve led to the call while NASA astronauts Butch Wilmore and Suni Williams were strapped into the spacecraft.
With just over two hours on the countdown clock before a planned 10:34 p.m. liftoff, an issue with an oxygen relief valve led to the call while NASA astronauts Butch Wilmore and Suni Williams were strapped into the spacecraft.
With just over two hours on the countdown clock before a planned 10:34 p.m. liftoff, an issue with an oxygen relief valve led to the call while NASA astronauts Butch Wilmore and Suni Williams were strapped into the spacecraft.