biological product. (D) The terms unapproved product and unapproved use of an approved product have the meanings given those terms in section 564(a)(4) of the Federal Food, Drug and Cosmetic Act ( 21 U.S.C. 360bbb–3(a)(4) ). . 733. Prohibition on conduct of certain medical research and development projects The Secretary of Defense and each Secretary of a military department may not fund or conduct a medical research and development project unless the Secretary funding or conducting the project— (1) submits to the Committees on Armed Services of the Senate and the House of Representatives a written certification that the project is designed to directly protect, enhance, or restore the health and safety of members of the Armed Forces