watch 02:27 The Loop (Games) Do you like this video? Infantry Armor is a standard type of armor system worn by terran military, including marines, firebats, and medics. The powered armor can be upgraded with several systems to make it stronger. Infantry Armor +1 upgrade to armor per level for SCVs, marines, firebats, ghosts, and medics. Acquisition Purchased from Engineering bay Hotkey A Level 1 Cost 100 100 266 Level 2 Cost 175 175 298 Required Science facility Level 3 Cost 250 250 330 Required Science facility Retrieved from "https://starcraft.fandom.com/wiki/Infantry_Armor?oldid=78510" Categories: StarCraft Terran unit upgrades Community content is available under CC-BY-SA unless otherwise noted.