Defense Acquisition System

Defense Acquisition System
Name	Defense Acquisition System
Formed	1960s–present
Jurisdiction	United States Department of Defense
Headquarters	The Pentagon
Chief1 name	Under Secretary of Defense for Acquisition and Sustainment
Parent agency	United States Department of Defense

Defense Acquisition System The Defense Acquisition System manages development, procurement, fielding, and sustainment of complex weapon systems and defense technology for the United States Armed Forces. It coordinates requirements from services such as the United States Army, United States Navy, United States Air Force, United States Marine Corps, and United States Space Force with budget authorities in the United States Congress and oversight by bodies like the Government Accountability Office and Department of Defense Office of Inspector General. The system interacts with industrial partners including Lockheed Martin, Boeing, Northrop Grumman, General Dynamics, and Raytheon Technologies to deliver capabilities such as F-35 Lightning II, Virginia-class submarine, and M1 Abrams lifecycle support.

Overview

The acquisition enterprise aligns capability needs from combatant commanders in United States Central Command, United States Indo-Pacific Command, United States European Command, United States Northern Command, and United States Cyber Command with resource allocation through the Office of the Secretary of Defense, Office of Management and Budget, and authorizations in the National Defense Authorization Act. Program offices track cost, schedule, and performance using frameworks established by the Defense Acquisition University, Under Secretary of Defense for Acquisition and Sustainment, and historical policy documents like the Goldwater–Nichols Act and the Packard Commission reports. Industrial base considerations link to firms such as BAE Systems, L3Harris Technologies, Textron, Honeywell International, and Kongsberg Gruppen.

History and Evolution

Origins trace to post‑World War II organizations and procurement models shaped by events including the Korean War, Vietnam War, and the Cold War arms competition. Reforms followed scandals and study commissions such as the Packard Commission and legislation like the Clinger–Cohen Act and the Federal Acquisition Regulation amendments. Programs from the Manhattan Project heritage to the Strategic Defense Initiative influenced lifecycle management, while acquisition outcomes from projects like the F-22 Raptor and the Zumwalt-class destroyer spurred programmatic changes. Recent shifts reflect lessons from conflicts in Iraq War, War in Afghanistan (2001–2021), and peer competition with People's Liberation Army modernization and Russian Armed Forces rearmament.

Organizational Structure and Governance

Governance centers on the Secretary of Defense, the Under Secretary of Defense for Acquisition and Sustainment, the Defense Acquisition Board, and Milestone Decision Authorities drawn from service secretaries and acquisition executives. Program Executive Offices report to Service acquisition leadership such as the Assistant Secretary of the Army for Acquisition, Logistics and Technology and the Assistant Secretary of the Navy for Research, Development and Acquisition. Interagency coordination includes the National Security Council, the Defense Innovation Unit, and collaboration with research institutions like Defense Advanced Research Projects Agency and Naval Research Laboratory. Congressional committees including the United States House Committee on Armed Services and the United States Senate Committee on Armed Services provide statutory oversight.

Acquisition Phases and Milestones

The acquisition lifecycle uses phases codified in DoD policy: Materiel Solution Analysis, Technology Maturation and Risk Reduction, Engineering and Manufacturing Development, Production and Deployment, and Operations and Support. Milestone decisions (A, B, C) are influenced by testing from Operational Test and Evaluation, cost estimates from the Congressional Budget Office, and threat assessments from Defense Intelligence Agency and National Geospatial‑Intelligence Agency. Developmental models reference systems engineering practices from Institute of Electrical and Electronics Engineers, modeling suites in Aerospace Corporation studies, and affordability guidance from Office of Cost Assessment and Program Evaluation.

Procurement Processes and Contracting

Contract vehicles include cost‑plus, fixed‑price, indefinite delivery/indefinite quantity, and Other Transaction Authorities managed through contracting offices like the Defense Contract Management Agency and Defense Logistics Agency. Source selection follows Federal Acquisition Regulation governance with protests adjudicated at the United States Court of Federal Claims and remedied by the Government Accountability Office bid protest decisions. Small business and socioeconomic programs engage Small Business Administration and set-asides under the Small Business Innovation Research and Small Business Technology Transfer programs. International partnerships utilize Foreign Military Sales managed by Defense Security Cooperation Agency.

Oversight, Testing, and Certification

Testing regimes include developmental testing by contractors and operational testing by Operational Test and Evaluation offices and service test centers such as Naval Air Warfare Center, Ames Research Center, and White Sands Missile Range. Certification processes touch cybersecurity standards from National Institute of Standards and Technology, safety reviews with Federal Aviation Administration coordination for unmanned systems, and interoperability assessments aligned with North Atlantic Treaty Organization standards. Audit and compliance responsibilities fall to the Government Accountability Office, Department of Defense Office of Inspector General, and service audit agencies.

Challenges and Reform Efforts

Persistent challenges include cost overruns exemplified by the F-35 Lightning II program, schedule delays seen in programs like the KC‑46 Pegasus, and capability gaps highlighted after the Black Hawk sustainment efforts. Reform initiatives have included rapid acquisition authorities used in emergencies such as the COVID-19 pandemic response, adoption of modular open systems architecture advocated by Defense Innovation Unit and codified in policy memoranda, and pilot approaches such as middle tier acquisition demonstrated in competitive prototyping for hypersonic programs influenced by Hypersonic Technology Vehicle research. Debates continue over industrial base resilience involving suppliers like Spirit AeroSystems and export controls linked to the International Traffic in Arms Regulations.

Category:United States military acquisition