Next Generation Air Transportation System : preliminary analysis of progress and challenges associated with the transformation of the National Airspace System : testimony before the Subcommittee on Aviation, Committee on Commerce, Science, and Transportation, U.S. Senate
Title from title screen (viewed on Oct. 12, 2006).
"For release ... July 25, 2006."
Paper version available from: U.S. Government Accountability Office, 441 G St., NW, Rm. LM, Washington, D.C. 20548.
Includes bibliographical references.
Mode of access: Internet from GPO Access web site. Address as of 10/12/06: http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=gao&docid=f:d06915t.pdf; current access available via PURL.