What is the required tier of Expeditionary Readiness Training (ERT) for personnel tasked for deployment in a hostile environment?

The required tier of Expeditionary Readiness Training (ERT) for personnel tasked for deployment in a hostile environment is Advanced Deployment Readiness. This level of training ensures that individuals are adequately prepared to face the complex and potentially dangerous circumstances they may encounter in such settings.

Advanced Deployment Readiness encompasses essential skills and knowledge that address tactical operations, risk management, and survival strategies that are critical for maintaining safety and effectiveness in a hostile environment. This training is a step above the basic and initial levels, focusing on advanced techniques and scenarios that personnel may face during deployment.

In contrast, Basic Deployment Readiness and Initial Deployment Readiness provide foundational knowledge and skills that may not suffice in more hazardous conditions. Comprehensive Deployment Readiness may seem relevant, but it typically refers to a broader scope of preparation that encompasses various aspects of deployment rather than specifically targeting the unique challenges of hostile environments. Therefore, Advanced Deployment Readiness is specifically designed to prepare personnel for the rigorous demands of operating in such conditions, making it the appropriate answer.