Correspondence issued by the Government Accountability Office with an abstract that begins "This report formally transmits the attached briefing in response to section 343(a) of The National Defense Authorization Act for Fiscal Year 2010 (Pub. L. No. 111-84). The Act requires the Comptroller General to provide a report on the sustainment strategy for the AV-8B Harrier aircraft and provide the results to the congressional defense committees no later than 180 days after the enactment of the Act. On April 26, 2010, we provided the briefing to your offices to satisfy the mandate.