Every last human is forced to leave Earth or face certain death as the planet ceases to be habitable. Failing to fully deflect an asteroid that was bound directly for Earth, the planet suffered too much surface damage, which exacerbated the already changing climate.
Before leaving for good, however, scientists and engineers around the world came together to build the utopia that would later fly them off of the crumbling planet. A capital ship gave the last of humanity a way off the planet, now en route toward an alien world that astronomers located after peering through a wormhole.
The journey will take four years, and as a soldier, you’re obligated to hone your skills through rigorous training. That way, you’re ready for what’s on the other side.