NASA scrubs second attempt to launch Artemis I after hydrogen leak [Updated]
11:15 am ET Saturday: NASA has officially scrubbed the Artemis I launch attempt on Saturday. The launch team was unable to solve a leak in an 8-inch hydrogen inlet leading to the Space Launch System rocket. Launch officials attempted three troubleshooting measures, and none were able to substantially reduce the leak of cryogenic hydrogen when it flowed from ground systems on board the rocket.
https://arstechnica.com/science/2022/09/nasa-making-second-attempt-to-launch-the-sls-rocket/
![NASA scrubs second attempt to launch Artemis I after hydrogen leak [Updated]](https://cdn.arstechnica.net/wp-content/uploads/2022/08/Artemis-I-Aug-19-2022-8968-760x380.jpg)
NASA is set to launch the Artemis 1 mission on its most powerful rocket yet - here's what you should know
NASA plans to launch the Artemis I mission on Monday from Kennedy Space Center in Florida, sending the Space Launch System (SLS) rocket and Orion capsule on a more than month-long journey around the moon. - The uncrewed launch marks the debut of the most powerful rocket ever assembled and kicks off NASA's long-awaited return to the moon's surface.
https://www.cnbc.com/2022/08/27/nasas-artemis-1-mission-what-you-should-know-about-sls-orion.html

NASA scrubs first SLS launch attempt due to engine issue [Updated]
8:40am ET Update: NASA has called a scrub on its first attempt to launch the Space Launch System rocket. The problem was due to an "engine bleed" issue, which effectively means that one of the four main engines could not be properly chilled ahead of its ignition.
https://arstechnica.com/science/2022/08/the-final-countdown-begins-for-nasas-hulking-new-rocket/
![NASA scrubs first SLS launch attempt due to engine issue [Updated]](https://cdn.arstechnica.net/wp-content/uploads/2022/08/SLS-Rollout-June-6-2022-9782-760x380.jpg)
NASA's Artemis 1 mission is finally headed toward the Moon
With a roar that lit up the night sky, NASA sent its colossal next-generation rocket soaring into space for the first time on Wednesday. The Space Launch System rocket, or SLS, took off at 1:47AM ET from Cape Canaveral, Florida, signaling the start of a bold new era for the US government's space program.
https://www.theverge.com/2022/11/16/23461490/nasa-artemis-1-success-launch-sls

Seonglae Cho