I thought it would be a good Idea to start posting Level Settings Ideas for BLACKLIST.
I for one would like to see a SDV Level near some docks.
Have him approach from a submarine offshore and move up too the docks where he starts to pull soldiers into the water.
That or maybe a level like in the first Splinter Cell Novel where he approaches an underwater pipeing system that leads to the underside of a facility.
He is a SEAL after all.