Only in Battlefield 4: "Underwater Attack" Trailer

Only in Battlefield 4: "Underwater Attack" is one of many trailers released for Battlefield 4 detailing an exciting experience that a player had experienced when they got the chance to play the game's multiplayer at a focus group play session for the game while gameplay is being shown of what the player is explaining.

Synopsis
Jason., the player being interviewed in the trailer, talks about how swam under a boat and proceeded to kill one of the passengers. When the other enemy player jumped out of the vehicle, Jason steals the boat and rides off into the distance.

he noticed an enemy patrol boat and decided to kamikaze it with his jet, only to survive.