Students can access a range of safety resources and training from the Naval Postgraduate School (NPS), including: Instruction Students receive instruction in RODS, ergonomic awareness, and traffic safety. Restricted Area Eight hours of initial classroom instruction, eight hours of on-the-job training, and an annual refresher course are required of qualified students. Emergency management Students are urged to develop an emergency supplies bag, create a family emergency plan, and stay informed before to, during, and following an occurrence as ways to prepare for emergencies.