Nunn-McCurdy Amendment

Nunn-McCurdy Amendment
Name	Nunn–McCurdy Amendment
Enacted	1982
Enacted by	United States Congress
Public law	Public Law 97–252
Related legislation	Goldwater–Nichols Act, Packard Commission, Defense Acquisition Reform Act of 1990
Sponsors	Sam Nunn, Marty McCurdy
Affected	Department of Defense, Congress

Nunn-McCurdy Amendment

The Nunn–McCurdy Amendment is a United States statutory provision enacted in 1982 to address significant cost growth in major defense acquisition programs overseen by the Department of Defense. It requires program managers and senior officials at the Office of the Secretary of Defense, Department of the Navy, Department of the Army, and Department of the Air Force to notify Congress when unit costs exceed statutory thresholds and to certify program viability before continuation. The statute has influenced acquisition oversight involving programs managed by agencies such as the Defense Acquisition University and offices like the Under Secretary of Defense for Acquisition and Sustainment.

Background and Legislative History

The amendment emerged after congressional reviews influenced by reports from the Packard Commission, testimony before the Senate Armed Services Committee, and inquiries led by legislators including Sam Nunn and Marty McCurdy. Debates in the United States Senate and the United States House of Representatives reflected concerns raised during hearings with officials from the Defense Logistics Agency, Office of Management and Budget, and the Government Accountability Office. Preceding events included cost overruns on programs such as the B-1 Lancer, F-111 Aardvark, and other legacy efforts that prompted reforms similar to the Goldwater–Nichols Act and later influenced the Weapons Acquisition Reform Act of 2009.

Provisions and Trigger Criteria

The statute establishes quantitative triggers tied to unit procurement costs and program acquisition unit costs. When program unit costs exceed pre-established "critical" or "significant" growth thresholds, program officials must initiate statutory actions. These thresholds were applied in cases involving platforms like the F-22 Raptor, F-35 Lightning II, Virginia-class submarine, DDG-51 Arleigh Burke-class destroyer, and space systems such as GPS III and SBIRS. The triggers distinguish between manufacturing and development phases with oversight affecting program elements under authorities like the Defense Contract Management Agency and the Defense Acquisition Board.

Notification and Certification Process

Upon trigger breach, the law requires notification to congressional committees including the Senate Armed Services Committee and the House Armed Services Committee, plus briefings to the Congressional Budget Office and the Government Accountability Office. The program must undergo cabinet-level review by officials such as the Secretary of Defense and the Deputy Secretary of Defense, culminating in a certification that continuation is essential to national security, that no alternatives provide equal capability at lower cost, and that the program is affordable within projected budgets. Certifications involve inputs from service secretaries (Secretary of the Navy, Secretary of the Army, Secretary of the Air Force) and acquisition executives, and can lead to rescission, restructuring, or continuation under revised baselines.

Impacts on Defense Acquisition Programs

The amendment has had broad effects on prioritization, budgeting, and program management across defense portfolios, influencing programs managed by the Defense Advanced Research Projects Agency, the National Reconnaissance Office, and the Missile Defense Agency. It has driven reforms in cost-estimating practices used by the Cost Assessment and Program Evaluation office and tightened requirements for joint programs like the Joint Strike Fighter and multinational efforts such as MH-60R/S Seahawks procurements. Budgetary consequences have extended into the President of the United States's budget submissions and defense appropriations overseen by congressional panels, with ripple effects for defense contractors including Lockheed Martin, Northrop Grumman, Boeing, General Dynamics, and Raytheon Technologies.

Implementation and Enforcement

Implementation responsibilities lie with acquisition authorities, program executive officers, and oversight bodies including the Inspector General of the Department of Defense and the Comptroller General of the United States. Enforcement has required interagency coordination with offices such as the Office of the Director of National Intelligence for classified programs and the Defense Finance and Accounting Service for cost tracking. The statute empowered congressional committees to demand remedial actions, hearings, and appropriations adjustments and has been enforced through program restructuring, cancellation, or congressional-directed cost controls in settings involving programs like C-17 Globemaster III modernization and Littoral Combat Ship variants.

Notable Cases and Examples

High-profile applications include reviews and certifications related to the F-22 Raptor program, the F-35 Lightning II Joint Strike Fighter, and the Virginia-class submarine procurement. Other notable examples include the Ballistic Missile Defense Organization programs, the DDG-1000 Zumwalt-class destroyer, the KC-46 Pegasus tanker program, and satellite initiatives such as SBIRS and AEHF. Each case illustrated interactions among congressional committees, service acquisition executives, industry partners like Sikorsky Aircraft and BAE Systems, and oversight entities including the Government Accountability Office.

Criticisms and Proposed Reforms

Critics from oversight organizations including the Congressional Research Service and the Center for Strategic and International Studies argue that statutory thresholds can incentivize accounting moves, schedule slippages, or requirements changes to avoid triggers, citing examples involving program restructuring and contested cost estimates by the Office of Management and Budget. Scholars and practitioners from institutions such as RAND Corporation, Brookings Institution, and Harvard Kennedy School have proposed reforms emphasizing updated cost-estimating methodologies, enhanced transparency via the Defense Acquisition University, and alignment with acquisition reforms like the Weapons Systems Acquisition Reform Act of 2009. Proposals include revising thresholds, improving life-cycle cost modeling by units like the Cost Assessment and Program Evaluation office, and strengthening congressional-executive coordination to balance oversight with program stability.

Category:United States federal defense legislation