support, and training activities for State Maritime Academies, $431,700,000: Provided , That of the amounts made available under this heading— (1) $30,500,000, to remain available until expended, shall be for maintenance, repair, life extension, marine insurance, and capacity improvement of National Defense Reserve Fleet training ships in support of State Maritime Academies, of which $8,000,000, to remain available until expended, shall be for expenses related to training mariners for costs associated with training vessel sharing pursuant to section 51504(g)(3) of title 46, United States Code, for costs associated with mobilizing, operating, and demobilizing the vessel, including travel costs for students, faculty, and crew, the costs of the general agent, crew costs, fuel, insurance, operational fees, and vessel hire costs, as determined by the Secretary