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(II) makes any recommendations
the Comptroller General considers ad-
visable for improvements to the meth-
odology.
(D) MODIFICATION OF METHODOLOGY.—Not
later than 30 days after receipt of the report
under subparagraph (C), the federally funded re-
search and development center shall—
(i) modify the methodology in order to
address flaws or weaknesses identified by
the Comptroller General in the report and
to improve the methodology in accordance
with the recommendations, if any, made by
the Comptroller General; and
(ii) submit to the congressional defense
committees a report that—
(I) describes the modifications of
the methodology made by the federally
funded research and development cen-
ter; and
(II) if the federally funded re-
search and development center does not
improve the methodology in accordance
with any particular recommendation
of the Comptroller General, sets forth a
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description and explanation of the rea-
sons for such action.
(3) UTILIZATION
OF
OTHER
STUDIES.—The
study shall build upon the results of the recent Mobil-
ity Capabilities Studies of the Department of Defense,
the on-going Intratheater Airlift Fleet Mix Analysis,
and other appropriate studies and analyses. The
study should also include any results reached on the
modified C–5A aircraft configured as part of the Reli-
ability Enhancement and Re-engining Program
(RERP) configuration, as specified in section 132 of
the National Defense Authorization Act for Fiscal
Year 2004 (Public Law 108–136; 117 Stat. 1411).
(b) ELEMENTS.—The study under subsection (a) shall
address the following:
(1) The state of the current intertheater airlift
fleet of the Air Force, including the extent to which
the increased use of heavy airlift aircraft in Oper-
ation Iraqi Freedom, Operation Enduring Freedom,
and other ongoing operations is affecting the aging of
the aircraft of that fleet.
(2) The adequacy of the current intertheater air-
lift force, including whether or not the current target
number of 301 airframes for the Air Force heavy lift
aircraft fleet will be sufficient to support future expe-
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ditionary combat and non-combat missions as well as
domestic and training mission demands consistent
with the requirements of the National Military Strat-
egy.
(3) The optimal mix of C–5 aircraft and C–17
aircraft for the intertheater airlift fleet of the Air
Force, and any appropriate mix of C–5 aircraft and
C–17 aircraft for intratheater airlift missions, includ-
ing an assessment of the following:
(A) The cost advantages and disadvantages
of modernizing the C–5 aircraft fleet when com-
pared with procuring new C–17 aircraft, which
assessment shall be performed in concert with the
Cost Analysis Improvement Group and be based
on program life cycle cost estimates for the re-
spective aircraft.
(B) The military capability of the C–5 air-
craft and the C–17 aircraft, including number of
lifetime flight hours, cargo and passenger car-
rying capabilities, and mission capable rates for
such airframes. In the case of assumptions for
the C–5 aircraft, and any assumptions made for
the mission capable rates of the C–17 aircraft,
sensitivity analyses shall also be conducted to
test assumptions. The military capability study