The world of Lost Planet but on Equestria, the planet is EDN III (Equestrian dominated national), the world is lead by NEVEC the planet's military force, lead by General Celestia. The main opposing force is the snow pirates lead by their Star-commander Luna, the main characters are Nix (my friend's OC), Moonshine and Treacle Tart (My OC's) and the princesses.

A sequel to the story, 'When worlds Collapse'.
The humans that live peacefully with the ponies of Equestria begins to act suspiciously as they start building forces and even a creation of the Grand Master's gets free and turns ponies and humans feral by a single bite.
An ancient race also rises once more to take back what is rightfully theirs, the humans in all of this are planning their ways to take Equestria once and for all.

An alternate ending to the story 'When Worlds Collide'.
In this ending Kieron turns back to his old, evil self after conversing with Moonshine about how he used to be.
He then regroups with the Grand Master and they both use the forces of their combined power plus IRIS to try and finally take Equestria.
Can Equestria be saved from the looming darkness that will soon envelope them from the evil that is rising.

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I would advise that you read 'When Worlds Collide' before you read this to understand what the history is and to stop yourself from being confused.

A world dominating company on Earth gets beaten and flee to a random location to find a new planet. They scout the planet to find it full of ponies. The leader then talks to the princesses allowing for the Overseer to stay whilst he sorts out Earth. The Overseer's bio-engineered pony then gets up to no good with the ponies on Equestria. Or did he have two?

Twilight and Rainbow Dash are in the library talking about a new filly that was kicked out of the royal guards. They are then interrupted to find a mysterious pony arrive at the library. Later they find it to be Moonshine the commander of the Equitorian guards. She turns frisky and falls for Twilight but later she falls for a stallion called Dr Atom Discharge. Then her secrets are unfolded......she once loved the princess of the night.