They don't take off their shoes, they don't take out their laptops and their numbers are growing every day. Some 16,000 people per day are applying for the government's airport pre-screening program.
The two lanes, which were designed by Delta, were rolled out last month. TSA administrator Peter Neffenger told a Senate committee that "initial results show dramatic improvements."
Some experts say replacing the TSA with private airport security firms wouldn't solve the problems causing long wait times and would do little to help this summer's busy travel season.
But the agency projects that its checkpoints will screen 100 million more people in 2016 than it did in 2013 — even as its workforce has been reduced by 12 percent over that same time period.
The Oversight Committee has criticized TSA for giving Kelly Hoggan bonuses despite security problems under his leadership. The agency has also been under fire for long screening lines for travelers.
NPR's Scott Simon just spent time waiting in a long security line at the airport. He says that even though it's easy to grow impatient, the security measures exist to protect lives.
Homeland Security Secretary Jeh Johnson hopes that adding staff to security checkpoints will prevent longer wait times that had been projected for this summer.
Airlines are expecting record numbers of spring break travelers. Both the industry and TSA are expecting airport screening checkpoints to have long lines. They urge travelers to arrive early.
The machines, pulled in 2013, expose travelers and airport workers to a dose of radiation well within acceptable limits — a factor of 10 below recommended safety standards.