breaking news hello everyone. thanks for joining me on. alison chemla, radha, and for fredricka whitfield, we have an exciting program for you today because within the next half an hour, we expect to witness the first ever boeing starliner spacecraft launched from cape canaveral, florida to the international space station. this is not a practice run this its launch has to american astronauts on board but officials and spectators are holding their breath a bit because this mission was already postponed a few times, veteran nasa astronauts, butch wilmore and suni williams are on board. and boeing is trying with this to compete with its rivals space x as nasa tries to collaborate with private industry partners. if successful, suni williams would become the first woman aboard any crewed test flight like this years of work has gone into this moment and it has not been without setbacks, as i ve mentioned. so let s bring in space and defense correspondent kristin fisher. she
deepest love to michelle crag barak, kelly, and the sixth, irrepressible grandchildren whom she helped to raise. and so loved and in whom her kind and gentle spirit lives on marion robinson was 86 the skis cnn breaking news hello everyone. thank you for joining me. i m alison chemla radha in for fredricka whitfield today. so we do have breaking news out of florida, nasa officials are expected to speak soon. this will be the first time that they re speaking since rubbing the launch of boeing s historic starliner test flight today, an automatic hold stopped the countdown clock with less than four minutes to go. the two astronauts who were headed to the space station are now back at crew quarters after leaving the capsule. a short time ago cnn space and defense correspondent kristin fisher is live from the kennedy space center for us. so kristen as you explain to us, while we were all waiting and watching and hoping this what happened, this potential launch has been in the m
topping vowels that one of those three racks was not commanding them to be open when we want wanted them to be open it is triple redundant, so we never had an issue with crew safety or with safety to the vehicle. but we worked through it and we switch the primary control to a different of the three racks, which is acceptable for that system. and so topping continued and we d never really deviated from that. as we get down to terminal count. then we do a health check of other systems one of the key systems there is an different card in the three racks that controls what is referred to as the launch sequencer and that s a computer that controls retract things like retracting umbilicals and the pira events that release the bolts at the base of the rockets so that when ignition happens, the rocket is free to fly away and do its job and for that system,
shuttle days, but in the shuttle days we got down to the t -31. second point in the count when everything shifted from the what we call the ground launch sequencer to onboard control. and so this was the ground launch sequence or something in the ground system software, the detected a problem. so that s what the team is off trying to do. tech determined now, what what was it, what signal i think i will i will say going back to what kristen said about sensors when when. now administrator, senator nelson and i were onboard columbia for both of our first laid in 1986 we got down to t -14 seconds and had this happened and we went into a hold and the hole was initiated by the onboard launch sequencer because it detected a problem with one of our hydraulic power units in the right-hand solid rocket booster it caused us to roll the vehicle go all the way back to
After more than half a year of troubled tests and failed launch attempts, the Artemis Moon rocket finally seems determined to leave its birth planet behi.