This story is a gundam SEED x Gundam 00 crossover, and takes place when GSD would have, so some of the destiny characters will appear while others won't (like Mwu, he's dead in this folks) oh I also increased the number of orbital elevators from 3 to 4, all or most of everything is explained in the prologue
I don't own gundam SEED, Gundam 00, be it the characters, mobile suits or pretty much anything Gundam related, anyways on with the show:
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Gundam SEED: the Solar conflict
Prologue
Year 76 of the Cosmic era, 4 years have passed since the end of the Bloody Valentine War which ended in C.E 72, after many deaths, most notably ace pilot Mwu La Flaga, & through diplomatic discussion a cease-fire between OMNI and ZAFT was eventually brokered, as a result of the discussions, nuclear technology was abandoned all together in any way shape or form, the Atlantic Federation relinquished control of the ORB Union back to its original Government, and the remaining original Gundam type mobile suits were returned to the Earth Alliance.
One of the main tasks which faced all sides was the emplacement of a new power source to replace nuclear power and fossil fuels, in which the PLANTS provided the solution, solar energy, this project, combining ORBs and the PLANTS construction expertise and technology (especially in the area of alternative power sources) with the Earth Alliances vast resources and manpower, was finished in little over a year and a half, to prevent any dispute over ownership of the ring and this new energy source, the 4 pillars, which double as orbital elevators, were divided among the participants of the project.
The PLANTS had control of the elevator located in Australiasia due to its close proximity to the Carpentaria base, the elevator located in central America is operated by the Atlantic Federation, again due to the Panama spaceport being nearby, the third elevator, under the control of the Erusian Alliance was located in east Africa, close to the Victoria base, the final elevator, under the constituency of the ORB Union is located on Onogoro island, also serving as a monument to ORBs defiant last stand against the Earth alliance invasion.
Even with all this progress, there was still seeds of discontent, the Erusian Alliance permanently broke away from the Atlantic Federation, bringing an end to the earth alliance and OMNI, due to disagreements over the Erusians apathetic and indifferent attitude towards the PLANTS, who the Atlantic Federation still considered their enemy, in addition many terrorist attacks were attempted on the elevators themselves, namely from Blue Cosmos who opposed working with Coordinators, and Radicals loyal to the late Patrick Zala who believe that Coordinators should be exterminating the 'Natural scum' not helping them rebuild their lives, even with the Junius Treaty, all factions with the exception of ORB, were secretly amassing weaponry and equipment beyond what is allowed by the treaty.
From the surface it appeared as though the world was at peace, when in reality a zero sum game was played by all sides, so that they could continue their battles for the sake of prestige and prosperity, despite all that has happened, humanity is still yet join as one, being reluctant to let go of old prejudices and grudges.
Wishing to bring and end to this, a private army, known as Celestial being, made itself known to the world on the anniversary of the Junius treaty signing, pledging to eradicate war through force, with the use of their own mobile suits, also known as "Gundams", their appearance would trigger a world revolution, along with events that would not be forgotten for a very long time….