Before diving into a campaign, complete all . They teach you vital basics: Navigation: How to move in 3D space and manage depth/speed.
A depth where water temperature changes sharply. It acts as a sound barrier. Staying just below the layer can hide you from surface ships, while staying above it can hide you from deep submarines. cold waters
Waiting for the enemy to come to you allows you to spawn at 5 knots, maximizing stealth. 3. Stealth & Acoustic Warfare Survival depends on being the "quietest guy in the room": Before diving into a campaign, complete all
Moves you at 5-10 knots. Use this when approaching targets to ensure you spawn in a "quiet" state. Before diving into a campaign