This is the most advanced painting facility in the world. It was created by Lockheed Martin for one single purpose: To make the F-35 Lighting II almost invisible to radar. As you can imagine, they don't use spray cans.
The facility uses laser guides to apply radar absorbent composites to the fighter jet. The robotic laser guides and paint guns use an infra-red grid to triangulate their position in relation to the aircraft, applying just the right amount of "magic" paint at the perfect angle. According to Lockheed Martin, nobody in the world and in any industry has anything remotely approaching this.
Whatever. They got me at robotic laser guides and paint guns.