Apple Bloom is fresh from a tour in the army. Scootaloo has suffered a career-ending injury. Sweetie Belle is looking for some excitement. The Princess has a special job offer for them. There’s a place called Earth that needs a little behind-the-scenes Equestrian influence.

If you can't sell weapons in Equestria, don't live there! Sail Canvas operates his company from Earth. Between nerdy sidekicks, porn stars, and drug dealers, he's got all the business he can handle.

Why does Equestria need a guided missile cruiser?
What made the US Navy sell it so cheaply?
How could Princess Celestia think this was a good idea?
Learn the true story behind one of the most controversial - and secret - arms deals in history.

When Cheerilee became a vampire and began doing Princess Luna's bidding, she expected to be tasked with a lot of difficult missions. Being sent to Las Pegasus to play poker was not one of them.

Starting at a new school, tracking a serial killer, and hiding her thirst for blood is driving Cheerilee crazy. What's a poor undead schoolteacher to do?

Getting a college roommate is random chance.
Sometimes you get lucky, and sometimes you get a pony.

Rainbow Dash enrolls at an Earth university.

Update: and then some other stuff happens.

Celestia who? That tall, awkward schoolfilly?

Applejack is using her pre-maternity leave to take a vacation on Earth. Her husband doesn't trust humans, but when she unexpectedly goes into labor there's no time to go to an Equestrian hospital.

Or perhaps Cheerilee is Batman?

It's about Mr. Bean in Equestria.