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The Ptolemaeus Lunar Base is a military facility in Mobile Suit Gundam SEED.


The Ptolemaeus base was built in CE 35 by the Atlantic Federation to oversee the space colonies. It was built in the Ptolemaeus crater from which it derived its name. The trait to name moon bases after craters they are built in is carried over to future bases and cities.

When the First Alliance-PLANT War broke out between PLANT and the Earth Alliance, the base became the headquarters of the EA's Space Fleet from where they launched their attacks on PLANT. The base was destroyed in CE 71 on the last day of the war, by ZAFT's superweapon GENESIS.


Cosmic Era locations
Locations in space
Ame-no-Mihashira | Aprilius One | Armory One | Artemis | Boaz | Heliopolis | Jachin Due | Junius Seven | Mendel | Messiah | Yggdrasil
Locations on the moon
Arzachel Lunar Base | Copernicus City | Daedalus Lunar Base | Endymion Base | Lorentz Crater | Ptolemaeus Lunar Base
Locations on Earth
Carpentaria Base | Gibraltar Base | Gulnahan Ravine | Heaven's Base | JOSH-A | Panama Base | Victoria Base