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Backstory
The Atlas Navy or the Atlases for short, is an economy thriving Empire with no roots on their origins or their origin system. their ships look like they belong in the trash with some solar panels strap on to it, but they dont care because the only thing they care is profit, and profit is how they live their lives.
The Atlases has one Great Flagship which contains the Supreme Leader Ardha, a merciless being throwing countless people into the void and his daughter Zanuka, which is the heart of the people of the Altlas. that flagship is named The Orbiter, it is one of the most advanced Atlas ship out there.
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Economy
their economy are mostly from asteroid mining and selling them to nearest galactic superpower for the most profit. the other way is to take control of a planet or system for mining valuable resources, if there is intelligent species on those planets, the Atlases would immediately glass the planet before that species goes for a war against the Atlas.
asteroid belt mining
interplanetary invasion
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Stargates and the shuttle who leaded it
stargates was first invented by the concept of railguns, a railgun is a magnetic accelerating cannon that shoots matter into space in high speeds. Ardha once thought of making one but bigger and with extreme acceleration that could shoot ships into sublight speeds into other star systems.
the first stargate that made it into the market wasnt a big success, they've realized that many offworlder ships actually have the tech to go to sublight speed with a small machine inside their ships. this made the stargates obsolete. Ardha was thinking that this will be destroying the Atlases economy, he then uses his personal shuttle named Tendon which he uses to not get noticed by offworlders and try to make wealthy people on busy galactic trade routes to fund his idea of putting a stargate in the end of each routes and put Atlas ships protecting the stargates.
this is the Tendon
this is so that people will not be scared of pirate gangs to steal their cargo and will make it safer since no ship could get out from that sector to the other star systems without getting out from the stargates which has maximum security.
the only flaw to this design is that it can only jump one star system at a time and that each stargate can only jump into one specific star system. Ardha has tried to make the stargate to jump into multiple star system at a time by hiring scientist to work on it, it was succesfull but it was so expensive that only a dozen of stargates are actually implemented with this asset.
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The war with the locals
Ardha realizes that his Stargates sells were declining, not because it wasnt doing well, but because there was simply enough stargates on most galactic trade routes. they basically own those properties, so they sold their ores and resources on those trade routes, while using more forces to protect it.
Ardha and Zanuka was making a profit out of this, and because this benefited those routes Economy. the owners of those systems actually gave them their system's land for the Atlases to build their empire there and expand.
now they have more than 3950 systems that they own and to settle in. and the others who weren't happy with the Navy's mission to completely rule the trade hubs and sectors decided to join together. they then decided to open war to the Atlas navy wanting their system free from the Atlases hands