; or (B) aviation curricula, including syllabuses and lesson plans, used at institutions of higher education, secondary education institutions, or by technical training and vocational schools, that are designed to prepare students to become aircraft pilots, aerospace engineers, unmanned aircraft system operators, or aviation maintenance technicians, or to refresh the knowledge of out-of-practice pilots or any of the aforementioned individuals. (2) Limitation No organization that receives a grant under this subsection shall sell or make a profit from the creation, development, delivery, or updating of aviation curricula. (f) Administrative matters of the Center (1) Detailees (A) In general At the request of the Center, the head of any Federal agency or department may detail to the Center, on a reimbursable basis, any employee of the agency or department. (B) Civil service status The detail of an employee under subparagraph (A) shall be without interruption or loss of civil service status or privilege. (2) Names and symbols The Center may use proceeds derived from the Center’s use of the exclusive right to use its name and seal, emblems, and badges incorporating such name as lawfully adopted by the Board of Directors in furtherance of the purpose and duties of the Center. (3) Gifts, grants, bequests, and devises The Center may accept, use, and dispose of gifts, grants, bequests, or devises of money, services, or property from any public or private source for the purpose of covering the costs incurred by the Center in furtherance of the purpose and duties of the Center. (4) Voluntary services The Center may accept from any person voluntary services to be provided in furtherance of the purpose and duties of the Center. (g) Restrictions on the Center (1) Profit The Center may not engage in business activity for profit. (2) Stocks and dividends The Center may not issue stock or declare or pay a dividend. (3) Political activities The Center shall be nonpolitical and may not provide financial aid or assistance to, or