Getting knocked out in a "high speed" military operation is way more likely than getting shot in the head.
In certain instances its effective to ditch the heavy kevlar for something that will protect you but let you move faster.
Hi speed guys started using climbing and skating helmets, then the industry moved in with tactical versions to meet their needs. "Bump" helmets were born, and it took only a few seconds for rails to appear on them for hanging shit on
