Witnesses: Jeremiah Creedon, Assoc. Admin. for Aerospace Tech., NASA; Charlie Keegan, Assoc. Admin. for Res. & Acquis., FAA; R. John Hansman, Jr., Prof. of Aeronautics & Astronautics, Dir., MIT International Center for Air Transportation, MIT; & Malcolm Armstrong, Sr. V.P., Aviation Operations & Safety, Air Transport Assoc. Also includes; statements by Rep. Dana Rohrabacher, Chmn., & David Wu, Member, Subcomm. on Space & Aeronautics, Comm. on Science, U.S. House of Rep.; Answers to Post-Hearing Questions; & Additional Material for the Record: Letter to Jeremiah Creedon from Charles Keegan, March 5, 2003; Letter of Response to Charles Keegan from J. F. Creedon, March 24, 2003; & Flight Plan to 2020 & Beyond. Charts & tables.Rohrabacher, Dana is the author of 'Review of Aeronautics R and D at FAA and NASA : Congressional Hearing', published 2005 under ISBN 9781422301609 and ISBN 1422301605.