>>23384197
Sentinel's been readable for years, GG is technically all done but so far 4/5 of the gaia gear novels are available to download publicly, the last one will take some time to become public as it's patreon-only for now.

https://archive.org/details/manga_Gundam_Sentinel
https://zeonic-republic.net/translation/sentinel_complete.pdf
https://zeonic-republic.net/?s=gaia+gear&x=0&y=0