; and (2) the number of disabled veterans benefitting from that section. V Miscellaneous 5001. National Transportation Safety Board investigative officers Section 1113 is amended by striking subsection (h). 5002. Overflights of national parks Section 40128 is amended— (1) in subsection (a)(3), by striking the before title 14 ; and (2) by amending subsection (f) to read as follows: (f) Transportation routes (1) In general This section shall not apply to any air tour operator while flying over or near any Federal land managed by the Director of the National Park Service, including Lake Mead National Recreation Area, solely as a transportation route, to conduct an air tour over the Grand Canyon National Park. (2) En route For purposes of this subsection, an air tour operator flying over the Hoover Dam in the Lake Mead National Recreation Area en route to the Grand Canyon National Park shall be deemed to be flying solely as a transportation route. . 5003. Aeronautical studies for commercial space launch site runways (a) In general Section 44718(b)(1) is amended– (1) in the matter preceding subparagraph (A), by striking air navigation facilities and equipment and inserting air or space navigation facilities and equipment ; and (2) in subparagraph (A)— (A) by redesignating clauses (v) and (vi) as clauses (vi) and (vii), respectively