NASA's Astronaut Health Care System: Result of an Independent Review : Hearing Before the Subcommittee on Space and Aeronautics, Committee on Science and Technology, House of Representatives, One Hundred Tenth Congress, First Session, September 6, 2007, Volume 4

NASA's Earth Science and Applications Programs: Fiscal Year 2008 Budget Request and Issues : Hearing Before the Subcommittee on Space and Aeronautics, Committee on Science and Technology, House of Representatives, One Hundred Tenth Congress, First Session, June 28, 2007, Volume 4

Building and Maintaining a Healthy and Strong NASA Workforce: Hearing Before the Subcommittee on Space and Aeronautics, Committee on Science and Technology, House of Representatives, One Hundred Tenth Congress, First Session, May 17, 2007, Volume 4

Remote Sensing Data: Applications and Benefits : Hearing Before the Subcommittee on Space and Aeronautics, Committee on Science and Technology, House of Representatives, One Hundred Tenth Congress, Second Session, April 7, 2008, Volume 4

Near-Earth Objects (NEOS): Status of the Survey Program and Review of NASA's 2007 Report to Congress : Hearing Before the Subcommittee on Space and Aeronautics, Committee on Science and Technology, House of Representatives, One Hundred Tenth Congress, First Session, November 8, 2007, Volume 4

NASA's Earth Science and Applications Programs: Fiscal Year 2008 Budget Request and Issues : Hearing Before the Subcommittee on Space and Aeronautics, Committee on Science and Technology, House of Representatives, One Hundred Tenth Congress, First Session, June 28, 2007, Volume 4

The Federal Aviation Administration's R & D Budget Priorities for Fiscal Year 2008: Hearing Before the Subcommittee on Space and Aeronautics, Committee on Science and Technology, House of Representatives, One Hundred Tenth Congress, First Session, March 22, 2007, Volume 4

NASA's Science Programs: Fiscal Year 2009 Budget Request and Issues : Hearing Before the Subcommittee on Space and Aeronautics, Committee on Science and Technology, House of Representatives, One Hundred Tenth Congress, Second Session, March 13, 2008, Volume 4

Cost Management Issues in NASA's Acquisitions and Programs : Hearing Before the Subcommittee on Space and Aeronautics, Committee on Science and Technology, House of Representatives, One Hundred Eleventh Congress, First Session, March 5, 2009: Volume 4

The Joint Planning and Development Office and the Next Generation Air Transportation System: Status and Issues : Hearing Before the Subcommittee on Space and Aeronautics, Committee on Science and Technology, House of Representatives, One Hundred Tenth Congress, First Session, March 29, 2007, Volume 4

Aviation and the Emerging Use of Biofuels: Hearing Before the Subcommittee on Space and Aeronautics, Committee on Science and Technology, House of Representatives, One Hundred Eleventh Congress, First Session, March 26, 2009

Key Issues and Challenges Facing NASA: Views of the Agency's Watchdogs : Hearing Before the Subcommittee on Space and Aeronautics, Committee on Science and Technology, House of Representatives, One Hundred Eleventh Congress, Second Session, February 3, 2010

Near-Earth Objects (NEOS): Status of the Survey Program and Review of NASA's 2007 Report to Congress : Hearing Before the Subcommittee on Space and Aeronautics, Committee on Science and Technology, House of Representatives, One Hundred Tenth Congress, First Session, November 8, 2007, Volume 4

NASA's Space Shuttle and International Space Station Programs: Status and Issues : Hearing Before the Subcommittee on Space and Aeronautics, Committee on Science and Technology, House of Representatives, One Hundred Tenth Congress, First Session, July 24, 2007, Volume 4

Cost Management Issues in NASA's Acquisitions and Programs : Hearing Before the Subcommittee on Space and Aeronautics, Committee on Science and Technology, House of Representatives, One Hundred Eleventh Congress, First Session, March 5, 2009: Volume 4

The Federal Aviation Administration's R & D budget priorities for fiscal year 2008: hearing before the Subcommittee on Space and Aeronautics, Committee on Science and Technology, House of Representatives, One Hundred Tenth Congress, first session, March 22, 2007

The Joint Planning and Development Office and the Next Generation Air Transportation System: Status and Issues : Hearing Before the Subcommittee on Space and Aeronautics, Committee on Science and Technology, House of Representatives, One Hundred Tenth Congress, First Session, March 29, 2007, Volume 4

NASA's Space Science Programs: Review of Fiscal Year 2008 Budget Request and Issues : Hearing Before the Subcommittee on Space and Aeronautics, Committee on Science and Technology, House of Representatives, One Hundred Tenth Congress, First Session, May 2, 2007, Volume 4

The Growth of Global Space Capabilities: What is Happening and why it Matters : Hearing Before the Subcommittee on Space and Aeronautics, Committee on Science and Technology, House of Representatives, One Hundred Eleventh Congress, First Session, November 19, 2009

NASA's International Space Station Program: Status and Issues : Hearing Before the Subcommittee on Space and Aeronautics, Committee on Science and Technology, House of Representatives, One Hundred Tenth Congress, Second Session, April 24, 2008, Volume 4