It’s no longer valid to compare current daily airline travel numbers to what happened on the exact date a year ago when the COVID-19 pandemic was at its most merciless. While the number of passengers being screened has grown, the TSA took advantage of the lower travel numbers by installing more than 1,000 credential authentication machines at 121 locations and about 300 devices designed to eliminate the need for travelers to remove electronics, liquids, and other items from bags. The Transportation Security Administration reported processing 1,863,597 passengers through its checkpoints across the country on Sunday, May 23.