There are very large ships in the background. The opponents, the player's character and their partner can be rung out into the water (they cannot walk straight into it, though). Being rung out will cause an automatic game over. Clearing this stage and defeating Miguel will unlock him in Scenario Campaign and Arena mode.
"A group going by the alias "Resistance" appears to have taken up residence in the warehouse complex. Their mission objective is the downfall of the Mishima Zaibatsu, though their capabilities apppear to be lacking. Now performing perimeter reconnaissance".