seven odd cnn this is cnn breaking news. hello everyone. thanks for joining me today. i m alison chemla, erotic and for frederick a. whitfield, we have breaking news out of florida. nasa scrubbing its plan to launch boeing s starliner spacecraft today you re seeing the aftermath live right now on your screens apparently, and automatic hold was triggered by the ground launch sequencer. that s the computer that launches the rocket. it stopped the countdown clock with three minutes and 50 seconds left. to go. nasa says it is not clear what caused that automatic hold. space and defense correspondent kristin fisher is live at the kennedy space center for us, also with thus we have a colonel chris hadfield, astronaut and retired commander of the international space station. okay. so kristen, what s the latest where do learning on the ground? so right now everybody is focused on the two astronauts onboard this spacecraft, the commander boots hello more, and the pilot, sunny will
ignition or procedure getting screwed up. so they want to check all those things and you ve got carefully written procedures to back out of a launch and safely extract a prove out. and you they climbed in what it was fully fueled. so it s not like there was a sudden change, but you just have to follow the procedures and they re very methodical. there s no great hurry, right now. the priority is to get the ground safely and the crew s like great day of training. sorry, we disappointed everybody. hopefully the weather is good tomorrow. we ll give it another shot we ll be watching colonel chris hadfield. thank you very much for all the expertise. kristin fisher. thank you for all the reporting. as always. we really appreciate it. thanks. else? all right. now, to a key security summit with significant implications for ukraine, president volodymyr zelenskyy is there and he is scheduled to meet with us defense secretary lloyd austin to talk about us support of ukraine in its fight against