The campaign shifts the theater from the Atlantic to the Asia-Pacific region, primarily featuring shallow-water combat.
If you are looking at this as a manual modification (RAR file): South China Sea - Cold Waters - First Look
Many areas are very shallow (described as "playing in a bathtub"), making it difficult to hide in deep thermal layers.
Combat in the South China Sea requires different tactics than the deep Atlantic:
Players predominantly face the People's Liberation Army Navy (PLAN), which is sometimes supported by Russian submarines and advisors.
The file Cold.Waters.South.China.Sea.rar typically refers to the for the submarine simulator Cold Waters . This campaign is officially set in the year 2000 and depicts a hypothetical naval conflict between the United States and China. Campaign Overview