To everyone that complains about how unrealistic and space marine like CSAT helmets are. Here's a closeup of the CSAT helmet and the ZSH helmet that shows that you're "futuristic" helmet is
ArmA 3 Defender Helmet Logic Goes Out The Window by COMMANDER9 on DeviantArt
CSAT Vipers on Altis : r/arma
Revision's Batlskin Viper Head Protection System - MilitaryLeak