TSA Preāā¢ at San Francisco International Airport (SFO) Travelers interested in registering for TSA Preāā¢may enroll at the all SFO security checkpoints. TSA Preāā¢is an expedited screening program that allows travelers at security checkpoints where you can keep your wallet, shoes, belt, jacket, laptops and 3-1-1 compliant liquids / gels […]