Narrator: Back in February, before COVID was named a pandemic, Rally took us up inside the tallest control tower in the country to see what it really takes to be an air traffic controller.

The staffing at the air control tower at Reagan National Airport was "not normal" when an American Airlines plane and Army helicopter collided on Wednesday night, a report shows.

When aircraft volume goes down, a supervisor can make the decision to combine two controller positions into one position, ...