Work on the South China Sea campaign is coming along well. New vessels, including the playable Seawolf and Los Angeles Flight III (688i) classes, new aircraft and weapons as well as the setup for the campaign map are now completed.

For a full list of current progress see this thread.

Aside from the new vessels and aircraft of the PLAN (Peoples Liberation Army Navy), the terrain system has also had a complete overhaul to improve visuals and performance as well as adding support for larger cities and air bases.