It can also be said that Rescue is where a diver starts to think about the welfare of other divers--and not just when things go sideways but also before things go sideways. Sure, there are all in the in-water skills relating to helping other divers, but there were also some soft-skill things relating to just being aware of how other divers are getting along. Before Rescue, I might have looked at another diver and noticed something, but I might not have then asked, "Are you feeling okay?" Rescue was also where I was introduced to the idea which in later tech-oriented courses was referred to by the adage "any diver can call any dive at any time for any reason without further questioning." Before Rescue, I hadn't really given any thought to divers sometimes feeling pressured to do a dive or continue a dive. My Rescue instructor helped us grasp that diving is supposed to be fun, and as divers whose next rung on the training ladder could be Divemaster, we might start thinking about how other divers are feeling and let them know it's perfectly fine to sit out that dive. The soft-skills part of the course really was valuable to me. It has been said in many threads about Rescue that the course can vary widely between awesome and sucky depending on the individual instructor. I had a great instructor for Rescue.