; (2) how the Department of Transportation or the Administration decides to allocate resources; (3) challenges the Department of Transportation or the Administration face in identifying illegal operators; and (4) recommendations for improving the efforts of the Department of Transportation or the Administration to combat illegal charter carrier operations. 541. Use of NASA’s super guppy aircraft for commercial transport Notwithstanding section 40125 of title 49, United States Code, the Aero Spacelines Super Guppy Turbine B-377-SGT aircraft, serial number 0004, may be used to provide the transport, for compensation or hire, of oversized space launch vehicle components or oversized spacecraft components while continuing to qualify as a public aircraft operation pursuant to section 40102(a)(41)(A) of title 49, United States Code, if— (1) the aircraft is owned and operated by the National Aeronautics and Space Administration; (2) commercial operation is limited to operations conducted wholly in United States airspace; and (3) no commercially available domestic air transport alternative exists. 542. Prohibited airspace assessment (a) In general Not later than 1 year after the date of enactment of this Act, the Secretary of Transportation, in coordination with appropriate Federal agencies, shall conduct an assessment on the security of United States prohibited airspace designated by the Federal Aviation Administration, with a focus on permanent prohibited airspace (in this section referred to as United States prohibited airspace ). (b) Minimum components The assessment developed under subsection (a) shall be unclassified but may contain a classified annex. It shall, at a minimum, include— (1) a summary of the number and types of violations of United States prohibited airspace and historical trends of such numbers and types; (2) an assessment of the processes used to establish United States prohibited airspace