((a)) ** .—** The Secretary of the Air Force may employ as many civilians as professors, instructors, and lecturers at a school of the Air University or of the Space Delta 13 as the Secretary considers necessary.

((b)) ** .—** The compensation of persons employed under this section shall be as prescribed by the Secretary.

((c)) ** .—**

((1)) Except as provided in paragraph (2), this section shall apply with respect to persons who are selected by the Secretary for employment as professors, instructors, and lecturers at a school of the Air University or of the Space Delta 13 after .

((2)) This section shall not apply with respect to professors, instructors, and lecturers employed at a school of the Air University or of the Space Delta 13 if the duration of the principal course of instruction offered at that school is less than 10 months.