LIMITATION ON RETIREMENT OF C-23 AIRCRAFT.

SEC. 112. LIMITATION ON RETIREMENT OF C-23 AIRCRAFT. (a) In General.—Upon determining to retire a C-23 aircraft for which there has been no previously agreed upon transfer of title for such aircraft as of the date of the enactment of this Act, the Secretary of the Army shall first offer title to such aircraft to the chief executive officer of the State in which such aircraft is based. (b) Transfer Upon Acceptance of Offer.—If the chief executive officer of a State accepts title of an aircraft under subsection (a), the Secretary shall transfer title of the aircraft to the State without charge to the State. The Secretary shall provide a reasonable amount of time for acceptance of the offer. (c) Sustainment.—Immediately upon transfer of title to an aircraft to the State under this section, the State shall assume all costs associated with operating, maintaining, sustaining, and modernizing the aircraft. (d) Airlift Study and Report.— (1) Study.—Not later than one year after the date of the enactment of this Act, the Secretary of the Air Force, in consultation with the Secretary of the Army, the Director of the National Guard Bureau, each supported commander of a combatant command, and the Administrator of the Federal Emergency Management Agency, shall conduct a study to determine the number of fixed-wing and rotary-wing aircraft required to support the following titles 10 and 32, United States Code, missions at low, medium, moderate, high, and very-high levels of operational risk: (A) Homeland defense. (B) Time sensitive, direct support to forces consisting of the regular component of the Army and the National Guard. (C) Disaster response. (D) Humanitarian assistance. (2) Report.—The Secretary shall submit to the congressional defense committees a report containing the study under paragraph (1). (e) GAO Sufficiency Review.— (1) Review.—The Comptroller General of the United States shall conduct a sufficiency review of the study under subsection (d)(1). (2) Report.—The Comptroller General shall submit to the congressional defense committees a report containing the review under paragraph (1).