The Soldiers'/Operators' / Personnel' Standard/Specification / Guideline SOF SpecOps FAST Combat Helmet NIJ IIIA, V50, UHMWPE, TW liner, OBL & PBL Tested for the FAST / Operator / Tactical Combat Helmet dictates a rigorous set of requirements/criteria / specifications ensuring top-tier performance/protection / capability. The helmet, rated NIJ IIIA