With no air traffic to worry about, visiting pilots can fly in formation above the spread, stow their planes in his 17, 000-square-foot hangar and, at night, listen to dogfight tales from honored guests like World War II ace Col.
The CMB is the light that was finally allowed to spread out across space once the Universe had cooled sufficiently to permit the formation of hydrogen atoms - about 380, 000 years into the life of the cosmos.