strong. >> thank you, chairman babbin, and ranking member lofgren, thank you, mr. nelson, to you and your staff today for being here for nasa's fy25 budget request. i have the i'd like to take this opportunity to express my sincere gratitude. i would also like to note that i have full faith and confidence in marshall's newest director, joseph pelfrey. mr. administrator, following an uncrewed sls lay flight in 2022, your agency planned to launch a crude lunar fly-by- mission artemis2 in november of '24. earlier this year your administration revealed that because of various hardware issue, the mission is now delayed until september of 2025, nearly one year behind schedule. mr. administrator, what specifically led to this nearly one-year delay, and what impact will this have on future artemis missions? >> safety. we do not fly until it's ready. and we never will as long as i'm around. i've seen seven of my friends suddenly be killed in the challenger disaster that was 10 days after the flight that i was on. we are sending a whole new spacecraft and a whole new rocket