NASA

America in space : future visions, current issues : hearing before the Committee on Science, Space, and Technology, House of Representatives, One Hundred Sixteenth Congress, first session, March 13, 2019

The International Space Station : addressing operational challenges : hearing before the Subcommittee on Space, Committee on Science, Space, and Technology, House of Representatives, One Hundred Fourteenth Congress, first session, July 10, 2015

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

Enhancing the relevance of space to address national needs : hearing before the Subcommittee on Space and Aeronautics, Committee on Science and Technology, House of Representatives, One Hundred Eleventh Congress, first session, July 16, 2009

Building for the future : China's progress in space technology during the tenth 5-year plan and the U.S. response

NASA: past, present, and future : hearing before the Committee on Science, Space, and Technology, House of Representatives, One Hundred Fifteenth Congress, first session, February 16, 2017

Securing the promise of the International Space Station : challenges and opportunities : hearing before the Committee on Science, Space, and Technology, House of Representatives, One Hundred Twelfth Congress, second session, Wednesday, March 28, 2012

Options and issues for NASA's Human Space Flight Program : report of the "Review of U.S. Human Space Flight Plans" Committee : hearing before the Committee on Science and Technology, House of Representatives, One Hundred Eleventh Congress, first session, September 15, 2009

Commercial space : hearing before the Subcommittee on Space, Committee on Science, Space, and Technology, House of Representatives, One Hundred Thirteenth Congress, first session, November 20, 2013