; and (C) how temporary appointments under the program may be best used to enhance the technical capacity of the FAA and technical partnerships between agencies. (b) Temporary appointment of NASA personnel (1) Terms and conditions The Administrator, in coordination with the NASA Administrator, shall identify qualifying projects or activities at the FAA that would benefit from temporary appointments of highly qualified, experienced professionals under the program to enhance technical capacity, knowledge, skills, and abilities relating to research and development, certification, and the safe deployment of advanced aviation technologies. The Administrator and NASA Administrator shall jointly establish the terms and conditions of service under the program and issue relevant guidelines related to the responsibilities and duration of service of participating NASA personnel. In approving NASA personnel for participation in the program, the NASA Administrator shall certify that the temporary appointment of such personnel shall not have an adverse impact on the post-assignment employment duties of relevant NASA personnel or an undue adverse impact on the mission of the agency. (2) Special rules The Administrator shall make clear that any responsibilities of NASA personnel participating in the program constitute serving in temporary technical discipline expert positions at the FAA and are subject to FAA conflict-of-interest policies and supervision. (3) Rules for pay and benefits for NASA personnel Any individuals employed by NASA who are participating in the program shall continue to receive pay and benefits from NASA and shall not receive pay or benefits from the FAA for the duration of the program. (c) Authority to transfer and receive resources In supporting the participation of NASA personnel, the Administrator and NASA Administrator may authorize the use of NASA technical services, equipment, software, and facilities without reimbursement to facilitate cooperation between agencies under the program. (d) Program