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- United States. Congress. House. Committee on Foreign Affairs. Subcommittee on International Operations1
- United States. Congress. House. Committee on Government Operations. Government Activities and Transportation Subcommittee2
- United States. Congress. House. Committee on Government Reform. Subcommittee on the District of Columbia1
- United States. Congress. House. Committee on Public Works and Transportation1
- United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Aviation3
- United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Investigations and Oversight1
- United States. Congress. House. Committee on Science and Technology. Subcommittee on Transportation, Aviation, and Materials1
- United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Transportation, Aviation, and Materials1
- United States. Congress. House. Committee on Transportation and Infrastructure1
- United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Aviation5
- United States. Congress. Senate. Committee on Appropriations. Subcommittee on Transportation and Housing and Urban Development, and Related Agencies3
- United States. Congress. Senate. Committee on Commerce, Science, and Transportation1
- United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Aviation2
- United States. Environmental Protection Agency1
- United States. Federal Aviation Administration4
- United States. General Accounting Office7
- United States. General Accounting Office. RCED1
- United States. Government Accountability Office1