. . . . . . . "Challenges to implementing the recommendations of the White House Commission on Aviation Safety and Security"@en . . . . "Aviation safety and security challenges to implementing the recommendations of the White House Commission on Aviation Safety and Security : statement by Gerald L. Dillingham, Associate Director, Transportation Issues, Resources, Community, and Economic Development Division, before the Subcommittee on Aviation, Committee on Commerce, Science and Transportation, U.S. Senate"@en . . . . . "Rules"@en . . . . . "Aviation safety and security : challenges to implementing the recommendations of the White House Commission on Aviation Safety and Security : statement by Gerald L. Dillingham, Associate Director, Transportation Issues, Resources, Community, and Economic Development Division, before the Subcommittee on Aviation, Committee on Commerce, Science and Transportation, U.S. Senate"@en . . .