This is the third Gundam manga I've read from this author (Sono Yoshihiro) and while his art's great, and his characters are generally well designed, his plotting and story arcs tend to fall flat past around the midpoint in all of the works I've read.
Don't get me wrong, I rather liked much of this series and its characters and also the predecessor, Orera Renpou Gurent-tai (We're Federation Hooligans) but I can also really see the flaws too.
Edit: Also, it looks like the translators stopped before the end, and right after a major plot twist too. Dang.