The FAA will issue an experimental permit to a person to launch or reenter a reusable suborbital vehicle only for—

(a) Research and development to test design concepts, equipment, or operating techniques;

(b) A showing of compliance with requirements for obtaining a license under this subchapter; or

(c) Crew training for a launch or reentry using the design of the reusable suborbital vehicle for which the permit would be issued.