WASHINGTON, D.C. (WWLP)-- The  TSA PreCheck® program continues to expand, adding four more passenger airlines to the program. Travelers flying with Aer Lingus, Air New Zealand, Ethiopian Airlines and Saudia can now take part in the TSA's expedited screening program for eligible low-risk travelers. The new airlines join the nearly 100 airlines currently participating in the program. Bradley International Airport introduces new TSA changes The program allows passengers enrolled in the service to keep on their shoes, belts and light jackets and are not required to remove laptops, 3-1-1 liquids and food items from their carry-on bags. Teenagers aged 13-17 can accompany TSA PreCheck enrolled parents or guardians through TSA PreCheck screening when traveling on the same reservation and when the TSA PreCheck indicator appears on the teen’s boarding pass. Children 12 and under may accompany an enrolled parent or guardian in the TSA PreCheck lanes without restriction. For more information on how to enroll and which airlines participate in the program, go to the TSA website.