; (2) is at least 18 years of age; and (3) has such other physical, mental, moral, professional, and age qualifications as the Secretary of the Air Force may prescribe by regulation. (b) Exception A person who is otherwise qualified, but who has a physical condition that the Secretary of the Air Force determines will not interfere with the performance of the duties to which that person may be assigned, may be appointed as an officer in the Space Force. 20203. Original appointments: service credit (a) In general The provisions of section 533 of this title shall apply to the crediting of prior active commissioned service for original appointments of commissioned officers. (b) Credit for prior service (1) For the purpose of determining the grade and rank within grade of a person receiving an original appointment in a commissioned grade in the Space Force, such person shall be credited at the time of such appointment with any commissioned service (other than service as a commissioned warrant officer) that the person performed before such appointment— (A) as a Space Force officer on active duty or in a space force active status