Author
SpringerLink (Online service)
64
ScienceDirect (Online service)
47
United States. Federal Aviation Administration. Office of Aviation Research
26
United States. Federal Aviation Administration
25
Library of Congress. Congressional Research Service,
22
Langley Research Center
21
United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch,
20
United States. Congress. House. Committee on Armed Services. Tactical Air and Land Forces Subcommittee,
17
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Aviation
13
Gertler, Jeremiah,
12
United States. Congress. House. Committee on Armed Services. Subcommittee on Seapower and Projection Forces,
12
United States. Congress. House. Committee on Transportation and Infrastructure,
12
SpringerLink (Online Service)
11
United States. National Park Service. Natural Resource Stewardship and Science,
11
John A. Volpe National Transportation Systems Center (U.S.)
10
Lee, Cynthia,
10
MacDonald, John,
10
Colorado. Taxpayer Service Division
9
United States. Congress. House. Committee on Armed Services
8
United States. Congress. House. Committee on Armed Services. Subcommittee on Readiness,
8
Blade, O. C. 1902-1985
6
Elias, Bartholomew,
6
National Renewable Energy Laboratory (U.S.),
6
Rapoza, Amanda S.,
6
STAB/DGLR Symposium
6
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Aviation,
6
United States. Congress. Senate. Committee on Commerce, Science, and Transportation,
6
United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Aviation
6
United States. Government Accountability Office
6
United States. National Aeronautics and Space Administration
6
Bush, George, 1924-2018
5
Films for the Humanities & Sciences (Firm)
5
Infobase
5
United States. Congress. House. Committee on Appropriations
5
United States. Congress. House. Committee on Armed Services. Subcommittee on Air and Land Forces
5
United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Transportation, Aviation, and Materials
5
United States. Congress. House. Committee on the Judiciary
5
United States. Congress. Joint Committee on Taxation
5
United States. Congressional Budget Office,
5
United States. President (1989-1993 : Bush)
5
Air Traffic Organization (U.S.). System Operations Services
4
Ames Research Center
4
Barker, M. G.
4
EBSCOhost
4
Naval Historical Center (U.S.)
4
Schulz, Noah,
4
United States. Congress. House. Committee on Armed Services. Tactical Air and Land Forces Subcommittee
4
United States. Congress. Senate. Committee on Commerce, Science, and Transportation
4
United States. Federal Aviation Administration,
4
United States. National Aeronautics and Space Administration. History Office
4
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