Hallo,
1. In game, Iowa's secondary armament (5") can't fire to the aircraft - why???
2. Secondary battery ammo storage is far too small.
Real ammunition stowage per gun [for North Carolina (BB-55), South Dakota (BB-57) and Iowa (BB-61)]: 450 rounds (1000 rounds per single mounting).
http://www.navweaps.com/Weapons/WNUS_5-38_mk12.htm
3. Iowa's textures are (_i_)... 
4. Main controling station screen should be on navigtion bridge level, not on the top of superstructure.
Regards,
SL