Link to sign up for the class http://www.nrainstructors.org/Signup....aspx?id=88722

From the NRA website:

This course is nine hours long and is conducted in a classroom and at a shooting facility. Range Safety Officer candidates will learn roles and responsibilities of an RSO; Range Standard Operating Procedures (SOPs); range inspection; range rules; range briefings; emergency procedures; and firearm stoppages and malfunctions.