Expeditionary Units Technology ID
The research ID for Expeditionary Units in Hearts of Iron IV is marines_expeditionary.
Expeditionary Units
Special Forces Doctrine
Unlock this technology with the research command and the tech ID marines_expeditionary.
About this technology
Coordinated strikes benefit from improved inter-disciplinary planning and logistics. As our doctrinal philosophy advances, lending greater support to these task forces is sure to benefit us.