; (B) a holder of a certificate issued under part 21, 121, 135, or 145 of title 14, Code of Federal Regulations, or a labor organization representing aviation maintenance workers; (C) a holder of a type or production certificate or similar authorization issued under section 44704 of title 49, United States Code, or a credible applicant for such a certificate as determined by the Secretary; (D) a State or local governmental entity; or (E) a non-profit organization that participates in the creation and delivery of workforce programs. (3) Aviation manufacturing workforce An application for a grant for an eligible project described in subsection (a)(3) may be submitted by— (A) an institution of higher education, a postsecondary vocational institution, or a local educational agency; (B) a holder of a type or production certificate or similar authorization issued under section 44704 of title 49, United States Code, or a credible applicant for such a certificate as determined by the Secretary; (C) a State or local governmental entity; or (D) a non-profit organization that participates in the creation and delivery of workforce programs. (4) Form The Secretary shall specify the form and manner in which to submit an application for a grant for an eligible project under this section. (c) Eligible projects For purposes of this section, an eligible project is a project— (1) to create and deliver a program designed to provide students enrolled in a public secondary school with meaningful aviation education that is designed to help prepare the students to become aircraft pilots, aerospace engineers, unmanned aircraft systems operators, aviation maintenance technical workers, or aviation manufacturing technical workers; (2) to support the professional development of teachers and other educators in implementing the program described in paragraph (1)