PUBLIC LAW 106-398—APPENDIX 114 STAT. 1654A-29 (2) The table of sections at the beginning of such chapter is amended by adding at the end the following new item: "2282. B-2 bomber: annual report.". (b) REPEAL OF SUPERSEDED REPORTING REQUIREMENT.— Section 112 of the National Defense Authorization Act for Fiscal Years 1990 and 1991 (Public Law 101-189) is repealed. SEC. 132. REPORT ON MODERNIZATION OF AIR NATIONAL GUARD F- 16A UNITS. The Secretary of the Air Force shall, not later than February 1, 2001, submit to Congress a plan to modernize and upgrade the combat capabilities of those Air National Guard units that, as of the date of the enactment of this Act, are assigned F-16A aircraft so that those units can be deployed as part of Air Expeditionary Forces. Subtitle E—Joint Programs SEC. 141. STUDY OF FINAL ASSEMBLY AND CHECKOUT ALTERNATIVES FOR THE JOINT STRIKE FIGHTER PROGRAM. (a) REPORT REQUIRED.— Not later than 180 days after the date of the award of a contract for engineering and manufacturing development for the Joint Strike Fighter aircraft program, the Secretary of Defense shall submit to Congress a report providing the results of a study of final assembly and checkout alternatives for that aircraft. (b) MATTERS TO BE INCLUDED. —The report under subsection (a) shall include the following: (1) Examination of alternative final assembly and checkout strategies for the program, including— (A) final assembly and checkout of all aircraft under the program at one location; (B) final assembly and checkout at dual locations; and (C) final assembly and checkout at multiple locations. (2) Identification of each Government and industry facility that is a potential location for such final assembly and checkout. (3) Identification of the anticipated costs of final assembly and checkout at each facility identified pursuant to paragraph (2), based upon a reasonable profile for the annual procurement of that aircraft once it enters production. (4) A comparison of the anticipated costs of carrying out such final assembly and checkout at each such location. (c) COST COMPARISON.—In identifying costs under subsection (b)(3) and carrying out the cost comparisons required by subsection (b)(4), the Secretary shall include consideration of each of the following factors: (1) State tax credits. (2) State and local incentives. (3) Skilled resident workforce. (4) Supplier and technical support bases. (5) Available stealth production facilities. (6) Environmental standards.