HILL AIR FORCE BASE, Utah -- Air Force reservists in the 419th Logistics Readiness Squadron completed five hours of training on Chemical, Biological, Radiological and Nuclear techniques to familiarize themselves with protective measures they may need in a contested environment. The training, which took place Feb. 7 during the 419th Fighter Wing's unit training assembly weekend, also included methods for Airmen to detect and mitigate various CBRN threats, skills that could prove vital for allied interests.