May 6, 10:10 a.m. – Dispatch receives a frantic call reporting a vehicle crash. The caller describes seeing an accident involving a collision between a tour bus and a semi-truck. Within minutes, lights and sirens fill the air as crews race to the scene. The first to arrive is Nevada National Security Sites’ (NNSS) Protective […] The post NNSS puts emergency response skills to the test in realistic disaster drill appeared first on Nevada National Security Site .