Universal passenger screening started on January 5, 1973. American hijackings immediately plummeted to negligible l… https://t.co/yHjA33QcgN — Brendan I. Koerner (@brendankoerner) 1507037718.0
Universal passenger screening started on January 5, 1973. American hijackings immediately plummeted to negligible l… https://t.co/yHjA33QcgN