USA : TSA officials say the program is meant to balance safety with efficiency . The program would be expanded to other airlines over time . `` As with any initiative , we are testing this prescreening concept with a small passenger population at limited airports , '' he said at an aviation security conference in the Netherlands . ` All participants must be U.S. citizens . The pilot project will start with European and American airlines .
USA : TSA officials say the program is meant to balance safety with efficiency . The program would be expanded to other airlines over time . All participants must be U.S. citizens . The pilot project will start with European and American airlines .