4.32 had the following theaters:
- Korea (the "stock BMS" campaign)
- Original Korea
- Korea Strong DPRK
- Korea Old Aircraft
- Korea TvT

4.33 removed Original Korea and Korea Old Aircraft; I do not know why. The "new" Iron Fortress was always there as part of the stock BMS Korea theater. They were designed by Scoob_SBM who provided the following design notes:

https://www.bmsforum.org/forum/show...ced&p=78378&viewfull=1#post78378