688 Attack Sub (USA, Europe)

16 missiles (Cat Walk mission)

16 missiles (Escape mission)

16 missiles (Goulash mission)

16 missiles (Hit and Run mission)

16 missiles (Homecoming mission)

16 missiles (Mumar Cadaver mission)

16 missiles (Shake 'Em mission)

16 missiles (Surprise Party mission)

16 missiles (Torpex '89 mission)

32 torpedoes (Cat Walk mission)

32 torpedoes (Escape mission)

32 torpedoes (Goulash mission)

32 torpedoes (Hit and Run mission)

32 torpedoes (Homecoming mission)

32 torpedoes (Mumar Cadaver mission)

32 torpedoes (Shake 'Em mission)

32 torpedoes (Sub Ops mission)

32 torpedoes (Surprise Party mission)

32 torpedoes (Torpex '89 mission)

6 torpedoes (Cat Walk mission)

6 torpedoes (Escape mission)

6 torpedoes (Goulash mission)

6 torpedoes (Hit and Run mission)

6 torpedoes (Homecoming mission)

6 torpedoes (Mumar Cadaver mission)

6 torpedoes (Shake 'Em mission)

6 torpedoes (Sub Ops mission)

6 torpedoes (Surprise Party mission)

6 torpedoes (Torpex '89 mission)

All subs carry 0 torpedoes

All subs carry 10 torpedoes, 0 missiles and 0 noisemakers

All subs carry 10 torpedoes, 10 missiles and 10 noisemakers

All subs carry 15 torpedoes, 15 missiles and 15 noisemakers

All subs carry 25 torpedoes, 25 missiles and 25 noisemakers

All subs carry 5 torpedoes

All subs carry 5 torpedoes, 5 missiles and 5 noisemakers

Emergency Surface manuever can be performed 2x instead of only 1x

Emergency Surface manuever can be performed 4x

Emergency Surface manuever can be performed 8x

Emergency Surface manuever can be performed infinite times

Emergency Surface Manuever Cannot Be Performed At All

Enemies can't see you or detect you when you surface, as long as your periscope is down.

Infinite missiles, torpedoes, and noisemakers

Master code (improved)

No cavitation

Towed Array Already Cut (Unavailable) At Start Of Mission

Towed Array May Be Redeployed After It Has Been Cut

Unlimited speed. See notes.