; and (3) the expansion described in paragraph (2) has resulted in an imbalance in the oversight of certain Federal entities in matters concerning civil aviation safety and security. (b) Charter (1) Charter revision Not later than 45 days after the date of enactment of this Act, the Administrator shall seek to revise the charter of the Executive Committee to reflect the scope, objectives, membership, and activities described in section 1036(b) of the Duncan Hunter National Defense Authorization Act for Fiscal Year 2009 ( Public Law 110–417 ) in order to achieve the increasing, and ultimately routine, access of unmanned aircraft systems of the Department of Defense into the national airspace system. (2) Sunset Not earlier than 2 years after the date of enactment of this Act, the Administrator shall seek to sunset the activities of the Executive Committee by joint agreement of the Administrator and the Secretary of Defense. 919. Review of regulations to enable unescorted UAS operations (a) In general Not later than 2 years after the date of enactment of this Act, the Administrator shall, in coordination with the Secretary of Defense, conduct a review of the requirements necessary to permit unmanned aircraft systems (excluding small unmanned aircraft systems) operated by a Federal agency or armed forces (as such term is defined in section 101 of title 10, United States Code) to be operated in the national airspace system, including outside of restricted airspace, without being escorted by a manned aircraft. (b) Report Not later than 2 years after the completion of the review under subsection (a), the Administrator shall submit to the appropriate committees of Congress a report on the results of the review, including any recommended regulatory and statutory changes to enable the operations described under subsection (a). 920. Extension of BEYOND program (a) FAA BEYOND program extension The Administrator shall extend the BEYOND program of the FAA as in effect on the day before the date of enactment of this Act (in