4986 / P.L. 110-181 of January 28, 2008), 10 U.S.C. §2401 stated DOD may not lease a vessel or aircraft for a period of more than five years unless it is specifically authorized by law to make such a lease. Section 1011 of the FY2008 defense authorization act amended 10 U.S.C. §2401 to permit the Secretary of a military department to lease a vessel for a period of greater than two years, but less than five years, only if the Secretary provides a notification of the lease to the House and Senate Armed Services and Appropriations committees (including a detailed description of its terms, a justification for entering it rather than purchasing the vessel, a determination that entering into it is the most cost-effective option; and a plan for meeting the requirement upon the lease's completion), and a period of 30 days of continuous session of Congress has expired. §7309 that U.S. military ships be built in U.S. yards. In a statement issued prior to the enactment of the FY2008 defense authorization act, the ASA stated that
The Department of Defense (DOD) is purchasing, via long-term leases, foreign-built ships to meet long-term military requirements. DOD Position

DOD has argued that its leases of foreign-built ships are the most cost-effective way to meet its needs for the ships in question, and that limiting such leases to no more than two years would make them much more expensive and difficult to implement, and therefore less cost effective. Prior-Year Legislative Activity

		FY2010 DOD Appropriations Act (H.R. 3326/P.L. 111-118 . Therefore, the Secretary of the Navy is directed to update its March 2008 report on the use of such leases and address impacts on American seafarers, sealift capabilities, and naval shipbuilding.
Prior to the enactment of the FY2008 defense authorization act (H.R. 4986/P.L. 110-181 of January 28, 2008), 10 U.S.C. §2401 stated DOD may not lease a vessel or aircraft for a period of more than five years unless it is specifically authorized by law to make such a lease. Operating under this provision, the Department of Defense (DOD) in recent years used lease options and renewals to lease some foreign-built cargo ships for total periods of almost 10 years—a length of time that some observers argue effectively circumvented a legal requirement that U.S. military ships be built in U.S. shipyards. These observers, particularly the American Shipbuilding Association (ASA), proposed reducing the current five-year legal limit on ship leases to two years for foreign-built ships. DOD opposed the idea, arguing that its ship leases are the most cost-effective way to meet its needs for the ships in question.
Section 1011 of the FY2008 defense authorization act amended 10 U.S.C. §2401 to permit the Secretary of a military department to lease a vessel for a period of greater than two years, but less than five years, only if the Secretary provides a notification of the lease to the House and Senate Armed Services and Appropriations committees (including a detailed description of its terms, a justification for entering it rather than purchasing the vessel, a determination that entering into it is the most cost-effective option, and a plan for meeting the requirement upon the lease's completion), and a period of 30 days of continuous session of Congress has expired.
The explanatory statement on the final version of the FY2010 DOD appropriations act (H.R. 3326/P.L. 111-118 of December 19, 2009) directed the Navy to update its March 2008 report on the leasing of foreign-built ships and address impacts on American seafarers, sealift capabilities, and naval shipbuilding.