; and (2) a report analyzing cost and performance for different approaches to achieving varied levels of operational employment using the standard method required by paragraph (1) that, at a minimum— (A) compares over a 30-year period the average annualized baseline cost and performances for a certified National Security Cutter that operated for 185 days away from homeport or an equivalent alternative measure of operational tempo— (i) against the cost of a 15 percent increase in days away from homeport or an equivalent alternative measure of operational tempo for a National Security Cutter; and (ii) against the cost of the acquisition and operation of an additional National Security Cutter; and (B) examines the optimal level of operational employment of National Security Cutters to balance National Security Cutter cost and mission performance. (b) Conforming amendments (1) Section 221(b) of the Coast Guard and Maritime Transportation Act of 2012 ( 14 U.S.C. 573 note) is repealed. (2) Section 204(c)(1) of the Coast Guard Authorization Act of 2015 (130 Stat. 35) is repealed. 213. Radar refresher training Section 11.480(F) of title 46, Code of Federal Regulations, as in effect immediately before the enactment of this Act, shall have no force or effect. 214. Repeal Section 676a(a) of title 14, United States Code, is amended— (1) by striking paragraph (2); (2) by striking (1) In general.— ; (3) by redesignating subparagraphs (A) and (B) as paragraphs (1) and (2), respectively; and (4) in paragraph (2), as so redesignated, by striking subparagraph (A) and inserting paragraph (1) . 215. Extension of authority Section 404 of the Coast Guard Authorization Act of 2010 ( Public Law 111–281 ; 124 Stat. 2950) is amended— (1) in subsection (a), in the text preceding paragraph (1), by striking sections 3304, 5333, and 5753 and inserting section 3304