High rank achieved!

No merchant losses!

First battle completed!

10 U-Boats sunk!

50 U-Boats sunk!

100 U-Boats sunk!

Career in Iron Man mode completed!

First sonar contact!

First U-Boat sunk!

First artillery hit!

First U-Boat hit with depth charges!

First U-Boat critical hit!

First U-Boat sunk by escort!

First U-Boat sunk by air support!

First mission completed!

Career completed!