Two searches — the same drones and crew, opposite conditions. One loses the network; the other spans three agencies. You'll run both, deciding as you go what the machines are allowed to do. Watch what has to change between them. And watch what won't.
You are running the search from the command truck. A hiker is overdue, the light is going, and the temperature is dropping toward the range where an injured person stops being able to keep warm.
A wildfire took the valley's cell tower this afternoon, so you are on your own out here — a few drones, one truck, and no signal to anyone who could help. Whatever finds this person tonight has to run on what's parked at the trailhead.