MarsSeed [1] filed a deletion request for gmat-bin [2]: Unused, abandoned, OOD niche scientific package from 2020; still on the 2018 release version.
0 votes/comments, so it seems safe to delete. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/gmat-bin/
