PAT needed by TSA NOW !!!!!!!!Passengers line up for security screening in Terminal C at George Bush Intercontinental Airport on Sunday, Jan. 13, 2019, in Houston. The impact of the ongoing government shutdown forced closure of a security checkpoint to Terminal B due to low staffing. Passengers had to be screened at Terminal C and take a train to Terminal B for their flights. Houston Airport System spokesman Bill Begley said staffing issues for the decision Transportation Security Administration made at 3:30 p.m. to close the checkpoint for the day.