what is better?

[sergei]

Originally Posted by Jankowski

and the ships in gwx? are they in there?

No

Originally Posted by Jankowski

what about enemy submarines and aircraft?

From what I've heard, there are plenty of aircraft. Dunno about the enemy subs though. Probably.

Originally Posted by Jankowski

can you describe the types of missions? because i heard that sh4 has missions other then go to square XX and wait there 24 hours

After you have patroled your AO for the required amount of time (I can't remember, 4 or 5 days I think), you can radio BDU and they give you a new AO.