; 129 Stat. 781). C Navy programs 121. Multiyear procurement authority for Virginia class submarine program (a) Authority for multiyear procurement Subject to section 2306b of title 10, United States Code, the Secretary of the Navy may enter into one or more multiyear contracts, beginning with the fiscal year 2019 program year, for the procurement of up to 13 Virginia class submarines. (b) Authority for advance procurement The Secretary of the Navy may enter into one or more contracts, beginning in fiscal year 2018, for advance procurement associated with the Virginia Class submarines for which authorization to enter into a multiyear procurement contract is provided under subsection (a), and for equipment or subsystems associated with the Virginia Class submarine program, including procurement of— (1) long lead time material