Three millimeters sounds impressive. It sounds precise. It sounds measurable. And attached to an aerial mapping system, scanner, camera, or processing workflow, it can sound like proof that one solution is better than another. But three millimeters of what? Resolution? Relative accuracy? Absolute accuracy? Horizontal or vertical? Measured where, across what distance, against what control, and verified how? Those aren't technicalities. They determine whether the number means a

Drones have opened up the skies in a way that once belonged only to aviators. From breathtaking aerial photography to critical infrastructure inspections, the view from above has never been more accessible. But while technology makes it easier than ever to launch, the truth is this: the skies aren’t a free-for-all. Knowing where—and how—you can legally fly matters just as much as the drone itself. The Forbidden Skies of National Parks For many drone pilots, the first instinct