During the past couple of years, I have been involved with things such as introducing system safety concepts into engineering courses. This, and other activities, has caused me to question what it is that makes the profession of system safety “special” — or at least different — from other approaches to achieving safety. My first reaction is that it is something you recognize when you see it. It usually takes only a quick review of a safety plan or effort to determine if it is a “system safety” effort. This isn’t always helpful when talking to those that haven’t “seen the light.” I wonder if there isn’t something fundamentally different between “traditional” safety (whatever that might be) and “system safety.