This is a level guide.
This level is one of the most difficult default battles included with the new 1.6 update. A large, floating fortress specially equipped to hold dozens and dozens of planes sits 40 km away from the player's starting point, and launches as many planes as possible as the player gets closer.
Air Base 2, 30 bombers, 20 fighters, 3 torpedo bombers
- Many Mk45 5 inch guns for shooting down planes
- Batteries of AA guns
- Fighter planes for shooting down enemies
- Powerful guns such as the 46 cm for use once you arrive at range against the Air Base
- Armor level: High
- Toughness level: High
- Underwater torpedoes
- Speed level: Moderate
How to win
The best way to beat this level is with a submarine; the sub can easily bypass most attacks by airplanes, and once it arrives close enough to the Air Base to use torpedoes, the Base cannot move to avoid the attacks and goes down quickly.
However, since most users do not or cannot use, or can neither build nor afford the pricey submarine, here is some useful information for sinking it with a conventional battleship.
First, acclerate at full speed to reach the Air Base as quickly as possible. Ready the Mk45s to begin to shoot down planes. If you have fighter planes at your disposal, begin to launch them.
If you have rocket launchers, use them against planes. Unlike the MK 45 5 inch gun, rocket launchers can shoot down over 10 fighters at once, leaving your anti air to focus only on the dive bombers, which pose the largest threat without effective anti air.
As the planes begin to come, shoot them down with your Mk45's, and rely on your AA guns to take down the few which pass through unscathed.
Continue this course of action until you arrive within range of the Air Base, at which point you should release all firepower available to end the fight and hopefully leave your ship intact.
Another tactic is advancing at a slower/lesser pace or not even moving at all, wait for the hostile aircraft and shoot them all down, and when done advance forward to the air base. An advantage for that is that when you advance to the airbase, you have fewer distractions and you don't have to set the priority on whether to sink the airbase first or shoot down planes first. A disadvantage, however, is that it will take some time and you will require patience to complete the level. If you do initiate this tactic, however, you will most likely end up with 3 stars on your chest and your ship clean with only a few scratches.