Ballistic protection levels outline the power of a material to stop incoming threats. These levels are typically assessed using standardized procedures, which involve firing shots at the protective material from numerous ranges and forces. Derived from these tests, ballistic protection levels are assigned using a symbolic system. This ranking help

The Soldiers'/Operators' / Personnel' Standard/Specification / Guideline 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/Level IIIA/ULTRA HIGH level in ballistic protection, offers enhanced/superior/op