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| Nunn–McCurdy Act | |
|---|---|
| Name | Nunn–McCurdy Act |
| Enacted | 1982 |
| Enacted by | 97th United States Congress |
| Public law | Public Law 97–XXX |
| Introduced by | Sam Nunn, Hugh McCurdy |
| Signed by | Ronald Reagan |
| Summary | Cost growth reporting and certification provisions for major defense acquisition programs |
Nunn–McCurdy Act The Nunn–McCurdy Act is a United States statutory mechanism enacted to address cost overruns in major defense acquisition programs and to require notification, certification, and potential termination when programs exceed cost growth thresholds. The statute arose during the 1980s amid debates in the United States Senate, influenced by advocates including Sam Nunn and enacted under the administration of Ronald Reagan, with oversight roles for the Secretary of Defense, the Office of the Secretary of Defense, and congressional committees such as the Senate Armed Services Committee and the House Armed Services Committee.
The statute originated from concerns in the 97th United States Congress after high-profile program cost growth in systems like the F-16 Fighting Falcon, B-2 Spirit, M1 Abrams, and Aegis Combat System, prompting lawmakers including Sam Nunn, Strom Thurmond, Barry Goldwater, and John Tower to craft remedial legislation. Congressional hearings featured testimony from officials at the Department of Defense, the Defense Intelligence Agency, and the Government Accountability Office about cost estimation practices used in programs such as F-22 Raptor, DDG-51 Arleigh Burke-class destroyer, Trident II (D5)', and C-5 Galaxy. The legislative history involved interaction with the Congressional Budget Office, amendments proposed during debates in the House of Representatives and United States Senate, and eventual codification alongside acquisition reforms associated with leaders like William Perry and Les Aspin.
The statute requires program managers and senior officials, including the Under Secretary of Defense for Acquisition and Sustainment and service acquisition executives such as the Assistant Secretary of the Air Force (Acquisition), to report breaches when a program's unit cost or procurement cost growth exceeds defined percentages relative to the baseline estimate for systems like F/A-18E/F Super Hornet, V-22 Osprey, KC-46 Pegasus, and Zumwalt-class destroyer. Thresholds trigger incremental requirements: notification to the Secretary of Defense, certification by the Secretary of Defense to congressional panels including the Senate Appropriations Committee and the House Appropriations Committee, and submission of a remediation plan addressing cost, schedule, and performance trade-offs for programs such as MQ-9 Reaper and Littoral Combat Ship. The law prescribes that certifications justify continuation based on national security considerations, cost realism, and alternative analyses referencing authorities like the Under Secretary of Defense (Comptroller) and the Director of Operational Test and Evaluation.
Implementation has involved policy issuances from the Office of the Secretary of Defense, directives from the Under Secretary of Defense for Acquisition and Sustainment, and oversight by the Government Accountability Office with program reviews of systems including F-35 Lightning II, Zumwalt-class destroyer, Ford-class aircraft carrier, and Ground Based Midcourse Defense. Enforcement mechanisms permit program termination, restructuring, or recertification, and rely on budgetary actions by the Office of Management and Budget, appropriations adjustments by the United States Congress, and acquisition strategies aligned with standards from the Defense Acquisition University. Senior leaders like Robert Gates, Ash Carter, Frank Kendall, and Mark Esper have invoked policy guidance to apply statutory requirements during reviews of modernization efforts such as Next Generation Air Dominance and Columbia-class submarine programs.
The statute has shaped program management practices across services including the United States Navy, United States Air Force, United States Army, and United States Marine Corps, influencing cost estimation, risk management, and milestone reviews for projects like F-35 Lightning II, KC-46 Pegasus, Littoral Combat Ship, Ground Based Midcourse Defense, and Columbia-class submarine. It increased visibility for committees including the Senate Armed Services Committee and House Armed Services Committee and affected procurement decisions by secretaries such as Donald Rumsfeld and Jim Mattis. The law prompted greater use of independent cost estimates from agencies like the Defense Contract Audit Agency and the Cost Assessment and Program Evaluation office and encouraged reforms mirrored in acquisition frameworks such as Defense Acquisition System and acquisition cycle milestones used by program offices at Naval Air Systems Command and Air Force Materiel Command.
High-profile breaches have included programs like the F-22 Raptor, F-35 Lightning II, DDG-1000 (Zumwalt-class destroyer), Ground Based Midcourse Defense, C-5 Galaxy modernization, and Littoral Combat Ship, prompting congressional responses from figures such as John McCain, Jack Reed, and Mikulski. Case studies document outcomes ranging from recertification and continuation for programs like F-35 Lightning II after certification by secretaries including Ashton Carter, to termination or restructuring for others such as portions of the Zumwalt-class destroyer and specific increments of the Ground Based Midcourse Defense program. Analyses by the Government Accountability Office, Center for Strategic and International Studies, and think tanks like the Rand Corporation and Brookings Institution illustrate differing impacts on lifecycle cost, schedule slippage, and capability trade-offs across services and acquisition portfolios.
Critics including analysts at the Rand Corporation, scholars affiliated with Massachusetts Institute of Technology, and lawmakers such as John McCain and Adam Smith argue that statutory thresholds can produce perverse incentives, delay corrective action, or shift costs between procurement and operations accounts in programs like F-35 Lightning II and KC-46 Pegasus. Proposed reforms from bodies including the Defense Business Board, the Center for Strategic and Budgetary Assessments, and commissions such as the National Defense Strategy Commission recommend adjustments to threshold definitions, integration with programmatic milestones used by the Defense Acquisition University, improved independent cost estimates from the Cost Assessment and Program Evaluation office, and enhanced congressional–executive coordination modeled on practices of the Office of Management and Budget and the Congressional Budget Office. Supporters counter proposals by citing successes in transparency and accountability promoted by the statute in oversight by panels like the Senate Armed Services Committee and House Armed Services Committee.
Category:United States federal defense legislation