aardwolfe, I agree in most points with you. What I had in mind wasnīt giving a really detailed complex scenario to the cadets (maybe I didnīt make this too clear). In order to make a scenario realistic, it helps to have a plausible story for the lost child (e.g. just wandered around a lost orientation vs. tried to find that lake). You could use that story to tailor the scenario to your needs (and preempt unwanted questions).
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If it isnīt broken, it doesnīt have enough features yet.