National Park Overflights: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Seventh Congress, Second Session, October 3, 2002

National Park Overflights: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Seventh Congress, Second Session, October 3, 2002

Nomination of Roberta Lee Gross to be Inspector General of the National Aeronautics and Space Administration: Hearing of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fourth Congress, First Session, June 13, 1995

Nomination of Arnold G. Holz to be Chief Financial Officer of NASA: Hearing Before the Committee on Commerce, Science, and Tranpsortation, United States Senate, One Hundred Third Congress, Second Session, April 13, 1994

Nomination of Robert W. Cobb to be Inspector General of the National Aeronautics and Space Administration: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Seventh Congress, Second Session, March 13, 2002

Safeguarding Our Future: Building a Nationwide Network for First Responders : Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Twelfth Congress, First Session, February 16, 2011

H.R. 1542, Internet Freedom and Broadband Deployment Act of 2001: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Seventh Congress, Second Session, March 20, 2002.., Volume 4

S. 1581, Technology Transfer Improvements Act of 1991: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Second Congress, First Session, September 13, 1991, Volume 4

Interstate Commerce Commission Freight Motor Carrier Oversight: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Second Congress, First Session, September 19, 1991, Volume 4

Role of Barter and Countertrade in the World Market: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Second Congress, First Session, November 5, 1991, Volume 4

Role of Barter and Countertrade in the World Market: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Second Congress, First Session, November 5, 1991, Volume 4

Interstate Commerce Commission Freight Motor Carrier Oversight: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Second Congress, First Session, September 19, 1991, Volume 4

Video Content: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Ninth Congress, Second Session, January 31, 2006, Volume 4

Mergers in the Telecommunications Industry: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Sixth Congress, First Session, November 8, 1999

Video Content: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Ninth Congress, Second Session, January 31, 2006, Volume 4

Universal Service: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fifth Congress, First Session, Part 1

Universal Service: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fifth Congress, First Session, Part 2

Spectrum Auctions: Hearing of the Committee on Commerce, Science and Transportation, United States Senate, One Hundred Fourth Congress, First Session, September 12, 1995

Spectrum Use and Management: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fourth Congress, Second Session, April 18, 1996

Spectrum Management: Improving the Management of Government and Commercial Spectrum Domestically and Internationally : Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Seventh Congress, Second Session, June 11, 2002