Stanag 2174 !!better!!

Allied supply chains can accept any compliant suit without retesting or re-qualifying for each nation's unique standard.

The preferred binding for NATO FMN is which uses SOAP over HTTPS with WS-Addressing. stanag 2174

| Class | Designation | Primary Use | Key Characteristics | | :--- | :--- | :--- | :--- | | | Operational | Short-term, high-risk missions (e.g., reconnaissance, initial entry) | Highest vapor protection; limited duration (typically < 24 hours); high physical burden. | | 2 | Operational Support | Longer-term tasks in contaminated areas (e.g., decontamination, logistics) | Good vapor protection; wear duration up to several days; lower burden than Class 1. | | 3 | Non-Operational | Base security, vehicle crew, casualty evacuation | Lower vapor protection; optimized for wearer comfort and mobility; often worn for extended periods. | | 4 | Emergency / First Responder | Immediate response to a known CBRN incident (often a single-skin suit) | Basic protection; often disposable or limited reuse; designed for rapid donning. | Allied supply chains can accept any compliant suit