Navy

Navy. You know, those boats on the water?

3 OS: Fishing Boat

5 OS: Epic Fishing Boat

7 OS: Ship

10 OS: Epic Ship

15 OS: Explorer

20 OS: Early Battleship

30 OS: Battleship

50 OS: Warship

75 OS: Submarines

100 OS: Aircraft Carrier

150 OS: Destroyer

200 OS: Mattship