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.
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.