User talk:2601:80:CA00:90E0:8105:DBFF:518F:281B

July 2021
Hello, I'm Leijurv. I noticed that you added or changed content in an article, Space Launch System, but you didn't provide a reliable source. It's been removed and archived in the page history for now, but if you'd like to include a citation and re-add it, please do so. You can have a look at referencing for beginners. If you think I made a mistake, you can leave me a message on my talk page. Thank you. Leijurv (talk) 02:47, 18 July 2021 (UTC)