In Equestria, there have been conflicts with other countries for some time. The cause of the conflicts is the evil magic in all of Equestia, which others consider dangerous to all of Equus. The first country to become an aggressor was Abyssinia. So now, the 7th detachment of combat swimmers is sent to take a strategically important oil Platform in the Selestial Sea. Your squad leader is Pinkie Pie. Now you are all standing on the ship and preparing to dive. Pinkie Pie decided to explain the plan to you

"Listen up. Our group will split up to disorient a possible enemy tracking signal. Starlight Glimmer and Derpy hooves - south side, Trixie Lulamoon and Big Macintosh - west side, me and you - east side. We have a radio channel, but only the base-we, not we-we or we-base. I hope you're not afraid to get your mane wet"