Department of Defense Authorization for Appropriations for Fiscal Year 2012 and the Future Years Defense Program: Hearings Before the Committee on Armed Services, United States Senate, One Hundred Twelfth Congress, First Session, on S. 1253, to Authorize Appropriations for Fiscal Year 2012 for Military Activities of the Department of Defense and for Military Construction, to Prescribe Military Personnel Strengths for Fiscal Year 2012, and for Other Purposes, Part 7