; and (ii) located at an institution of higher education; or (B) any other post-secondary educational institution with a geology or engineering program or department that has experience in mining research or work with the mining industry. (2) Critical materials The term critical materials means materials designated as strategic and critical under section 3(a) of the Strategic and Critical Materials Stock Piling Act ( 50 U.S.C. 98b(a) ). (3) Institution of higher education For purposes of paragraph (1), the term institution of higher education has the meaning given in section 101 of the Higher Education Act of 1965 ( 20 U.S.C. 1001 ). 228. Policies for management and certification of Link 16 military tactical data link network (a) Policies required The Secretary of Defense shall develop and implement policies to adapt Link 16 system management and certification to align with agile development practices. (b) Elements The policies required by subsection (a) shall include the following: (1) A standardized process through a Chairman, Joint Chiefs of Staff Manual, to allow Link 16 frequency use within approved special use airspaces for the purpose of testing radio systems and associated software that have not completed electromagnetic compatibility features certification. Such process— (A) shall, at a minimum, ensure routine and continued approval for test operations of developmental systems in the Nevada Test and Training Range, Restricted Area 2508, Warning Area 151/470, Warning Area 386, and the Joint Pacific Alaska Range Complex