Improved Coastal Fortifications Technology ID
The research ID for Improved Coastal Fortifications in Hearts of Iron IV is coastal_fort_tech_1.
Improved Coastal Fortifications
Engineering1936
Unlock this technology with the research command and the tech ID coastal_fort_tech_1.
About this technology
By making better use of the land surrounding our coastal fortifications, and incorporating new technology to boot, we can strengthen our existing structures and expand them even further.