"The Tricked-Out Research Planes That Fly Through Wildfires" [1]
"The only way to know exactly what’s in a wildfire’s smoke is to sample straight from the haze. So during the Rim Fire in Yosemite—which emitted so much smoke it formed its own clouds—a NASA DC-8 passenger plane and an Alpha fighter jet each crisscrossed through the plume. On both planes, scientists had created an in-flight lab to measure exactly what the fire was producing."