Extreme temperatures, dwindling daylight hours, and the looming threat of snow is the best way to describe his current working conditions. The job itself is so demanding that if the “newbies” aren’t told to eat, they’d work straight through lunch. It’s an endless stream of components that need to be checked, fixed, if necessary, and checked again; that’s what keeps the mission going. Welcome to the flight line. Welcome to the world of a crew chief in the United States Air Force.