launch sector in its innovation of small-class launch technologies, reusable launch and reentry vehicles, and other areas related to commercial launches and reentries. (c) Regulatory improvements for commercial space launch activities (1) In general Not later than February 1, 2019, the Secretary of Transportation shall issue a notice of proposed rulemaking to revise any regulations under chapter 509, United States Code, as the Secretary considers necessary to meet the objective of this section. (2) Objective The objective of this section is to establish, consistent with the purposes described in section 50901(b) of title 51, United States Code, a regulatory regime for commercial space launch activities under chapter 509 that— (A) creates, to the extent practicable, requirements applicable both to expendable launch and reentry vehicles and to reusable launch and reentry vehicles