| United States. General Accounting Office - 1991 - Страниц: 80
...Program Evaluation and Methodology Division B-243378.1 May 1, 1991 The Honorable Frank R. Lautenberg Chairman, Subcommittee on Transportation Committee...Appropriations United States Senate Dear Mr. Chairman: This report responds to your request that we examine the potential of Intelligent Vehicle and Highway... | |
| United States. General Accounting Office - 2000 - Страниц: 42
...Community, and Economic Development Division B-283632 June 12, 2000 The Honorable Richard C. Shelby Chairman, Subcommittee on Transportation Committee...Appropriations United States Senate Dear Mr. Chairman: Currently, the Federal Aviation Administration (FAA) relies principally on a ground-based navigation... | |
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