Correspondence issued by the Government Accountability Office with an abstract that begins "According to some Department of Defense (DOD) and industry experts, consolidation of the defense industry along with a shift in prime-contractor business models has resulted in prime contractors subcontracting more work on the production of weapon systems and concentrating instead on systems integration. Based on some estimates, 60 to 70 percent of work on defense contracts is now done by subcontractors, with certain industries aiming to outsource up to 80 percent of the work. At the same time, there is evidence that subcontractor performance may contribute to cost and schedule delays on weapon system programs. Congress has raised questions about the extent to which primes are awarding subcontracts competitively and about the government's insight into the process prime contractors use for determining what work to make in-house and what work should be bought from subcontractors (make-or-buy decisions). In the 2009 Weapon Systems Acquisition Reform Act (WSARA), Congress directed DOD, as part of efforts to improve competition throughout the life cycle of major defense programs, to ensure that contractors' make-or-buy decisions are fair and objective. Specifically, the Secretary of Defense was directed to require prime contractors to give full …