Whats different between the two BB?
Between February and October 1944 Haruna?
From bow to stern:
-Two triple 25mm MG mounts added on top of turret 2
-Addition of AA-crew rooms just behind and above the conning tower
-Two triple and two single 25mm MG mounts added on the lower pagoda levels
-Two twin 25mm MG mounts replaced by triples on the lower pagoda levels
-Extended secondary battery platforms
-New sponson for the relocated 60cm signaling searchlight
-Type22 radar set fitted
-Two twin 25mm MG mounts added high on the pagoda
-More AA crew and radar rooms added inside and behind the pagoda
-Various new platforms and solid bulwarks added all over the pagoda bridge, with equipment rearranged
-Flag station raised by one deck
-Two single 25mm MG mounts added on a modified sponson on the back of the pagoda
-Forwardmost two searchlight position replaced by two triple 25mm MG mounts
-AA crew room added between the aforementioned new MG mounts
-Two twin 25mm MG mounts replaced by triples abreast the fore funnel
-Extra platform added on the back of the funnel
-Four single 25mm MG mounts added in place of the 127mm excercise gun
-AA crew room added on the tripod mainmast
-Type13 radar set fitted
-Two triple 25mm MG mounts added abreast the funnels
-Two triple 25mm MG mounts added on the aft superstructure
-Two triple 25mm MG mounts added on top of turret 3
-Two triple 25mm MG mounts added abreast turret 3
-Up to 12 single 25mm MG mounts added around the aircraft handling area
-Airwing reduced to two Aichi E13A
-Radio tower removed from turret 4
-Two triple 25mm MG mounts added on top of turret 4
plus a few more minor things here and there.