U.S. Department of Transportation, Office of the Secretary, Order 2021-4-13, Final Order, Docket DOT-OST-2020-0037 (issued Apr. 29, 2021) (Ex. AGY-AVIATION-SURFACE-035)
Transportation Security Administration; Centers for Disease Control and Prevention; Department of Transportation; airport authorities, TSA Checkpoint Travel Numbers 2020 Context (Dec. 31, 2020) (Ex. SEC-21-GM-022)
U.S. Department of Transportation, Office of the Secretary, Order 2021-4-2, Order to Show Cause, Docket DOT-OST-2020-0037 (served Apr. 6, 2021) (Ex. AGY-AVIATION-SURFACE-034)
