Helium is used to pressurize some of the vehicle’s thrusters, which help the spacecraft stay oriented in space, and problems with some of the helium spilling out delayed this crewed test mission ...
Helium is used to pressurize some of the vehicle’s thrusters, which help the spacecraft stay oriented in space, and problems with some of the helium spilling out delayed this crewed test mission even ...
"There was just too much uncertainty in the prediction of the thrusters," said Steve Stich, NASA's commercial crew programme manager, at a press conference on 24 August. "If we had a way to ...