Soviet MIOs Reworked

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Author: Aye

Last revision: 4 Dec, 2025 at 00:48 UTC

File size: 2.26 MB

On Steam Workshop

Description:

Small Overhaul to Soviet MIOs. Not ironman compatible. Changes Soviet focus tree and decisions so very likely not mod compatible with mods that also change that.

Requires Arms Against Tyranny for the MIO mechanic.

Tanks:
New: Chelyabinsk Tractor Plant
– Standardized production
– Unlocked by Development of Tankograd focus
– Unique Trait
– Can only merge with Factory 112

Naval:
Modified: Rubin Design Bureau
– Changed to Submarine Designer
– Redone merge traits

Modified: Black Sea Shipyard
– Changed to Task Force Ship Builders
– New icon

New: Northern Shipyard
– Raiding Fleet Designer
– Unique merge trait
– Replaces Rubin as the "invite Soviet designers" naval designer

New: 61 Communards Shipyard
– Black Sea Fleet Designer

Modified: Merge Leninskaya Kuznitsa Plant trait
– Unlocks the Coastal Defence Ship tech (which one of the merge shipyard decisions used to do pre-MIOs)

Planes:
Modified: MiG Design Bureau
– Now unlocked by Expand the Aviation Industry focus

Modified: Yakovlev Design Bureau
– Changed to High Agility Fighters Designer

Modified: Ilyushin Design Bureau
– Changed to Range Focused Aircraft Designer (matches Ilyushin better than the medium or CAS designers)
– Added unique traits themed around the Il-2

New: Polikarpov Design Bureau
– General Aircraft Designer
– Unique trait for fighters
– Unable to merge aircraft plants

New: Sukhoi Design Bureau
– CAS Aircraft Designer
– Unlocked by Expand the Aviation Industry focus

New: Petlyakov Design Bureau
– Medium Aircraft Designer
– Unlocked by Expand the Aviation Industry focus

New: Beriev Design Bureau
– Naval Aircraft Designer

New: TsKB-29
– General Aircraft Designer
– Unlocked by Rehabilitated Military
– Starting research/funding debuffs
– Traits to integrate purged design bureaus

Material:
New: Kamov Design Bureau
– Helicopter Development
– No single-rotor branch
– Unique trait + custom merge plant trait

New: Izhora Plant
– Armored Car Designer

Other Features:
Added the Polikarpov MIO to starting fighters
Focuses that unlock MIOs also gives them +3 levels
Fixed the TB-3 icon (This really annoyed me so I had to fix it)

Future Plans:
Naval MIOs rework (ie: Rubin – Submarine, new designers for raiders or escorts) – Mostly finished
Custom MIO types
Custom Icons for Petlyakov and TsKB-29 – I can’t art
Expand to other countries

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Required DLC:

These DLC should be installed in order to use this item.


Hearts of Iron IV: Arms Against Tyranny