A man is found beaten to death. The weapon appears to be...hooves? The Equestrian Royal Intelligence Service cooperates with human law enforcement to solve the murder.

MLP crosses over with NCIS.

Special Forces working dogs are highly trained, just like the men they serve with.
When the Russians need a veterinarian, they call Fluttershy.

Bruce Lee didn't die. He just went to a land of magical ponies. Then he solved all their problems.

Twilight's job in the Equestrian Army puts her under enormous stress. Perhaps a certain pony can help her relax.

On a boat.

Tagged for sex just to be safe.

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.

Rainbow is depressed after she is unable to join the Wonderbolts. Her friends get her a ticket to an air show on Earth to cheer her up. She unexpectedly falls in love with jets, and decides that she wants to be a pilot no matter what it takes. She'll need education, training, and more than a little luck.

On the eve of the Gulf War, a US Navy ship sails through an intense storm and into a different world.

Equestria and the other members of the United Lands are attempting to remove the dragons from their encroachment into Zebrica, but diplomacy is failing. While nopony wants a war, it appears that there might be no other option.

Captain John Mittal and the rest of the sailors aboard USS Wisconsin have some tough political and ethical choices to make. This isn't their fight, but can they stand by while the rest of the world prepares for war?

Stephen has a nice chat with the Princess

Applejack has taken a job on Earth, and agrees to host the Crusaders for a visit. When an emergency comes up, the fillies are left to take care of themselves.

A comedy.

The Princess asks Twilight to explore the lands outside Equestria. Nopony has any sailing experience, maps are not available, and the ship's captain is from a different dimension. What could go wrong?

Also hints of steampunk, for some reason.

Now translated into Korean