For beginners, the Seawolf-class SSN is the best choice. It features superior passive sonar and noise-reduction technology, which provides a necessary edge in the treacherous shallow environments. Key Strategies:

Unlike the deep Atlantic, this campaign features many shallow water missions . This makes it extremely difficult to hide from enemy sonar and airborne ASW (Anti-Submarine Warfare) assets like helicopters.

To play the South China Sea campaign legally, you should purchase the base game on Steam or GOG . The expansion is automatically included in the latest official updates. If you are using the PLAZA release:

Copy the contents of the PLAZA folder (found inside the mounted .iso ) and paste them into the main game installation directory, overwriting the existing files. Launch: Run the ColdWaters.exe as administrator. South China Sea Campaign Guide