Tough machines built to take on gruelling jobs in even more gruelling weather conditions; NOAA's WP-3D Orion Hurricane Hunters conduct a stressful first real-world test of new drone technology for hurricane analysis.

The collaboration between people and machines in high-stakes environments where nothing can go wrong; featuring California firefighters' Quick Reaction Force and its star player, a CH-47 Chinook retrofit to house a 3,000 gallon flying retardant tank.