Missile Defense Review

Missile Defense Review
Name	Missile Defense Review
Date	Various (2010, 2019, others)
Jurisdiction	United States Department of Defense

Missile Defense Review The Missile Defense Review is a recurring assessment produced by the United States Department of Defense to evaluate ballistic missile threats, assess missile defense capabilities, and recommend strategic, technological, and organizational courses of action. It synthesizes inputs from senior leaders, advisory bodies, and technical communities including the Joint Chiefs of Staff, United States Strategic Command, and defense science institutions such as the Defense Advanced Research Projects Agency and the Mitre Corporation. Reviews have influenced policy debates in interactions with actors such as Congress of the United States, allied militaries, and arms control interlocutors including the Treaty on the Non-Proliferation of Nuclear Weapons stakeholders.

Overview and Purpose

The Review articulates objectives for layered defenses against short‑range to intercontinental ballistic missile threats, balancing homeland defense, regional theater defense, and protection of forward-deployed forces. It frames priorities among systems developed by agencies like the Missile Defense Agency, industrial contractors such as Raytheon Technologies, Northrop Grumman, and Lockheed Martin, and laboratories including the Sandia National Laboratories and Lawrence Livermore National Laboratory. The process supports budget planning before deliberations in the United States Congress and informs interagency coordination with entities like the Department of State and the National Security Council.

Historical Development and Reviews

Early American missile defense initiatives trace to research programs managed by Ballistic Missile Defense Organization predecessors, with milestones overlapping Cold War events such as the Strategic Defense Initiative debates and technological tests like exoatmospheric intercept trials. Formalized periodic reviews appeared amid post‑Cold War shifts, crisis responses to proliferation episodes involving North Korea and Iran, and after major assessments by commissions such as the Rumsfeld Commission. Recent published reviews in the 21st century aligned with administrations including the Obama administration and the Trump administration, each reflecting distinct threat assessments and procurement priorities shaped by testimony before Senate Armed Services Committee and analyses from think tanks like the Center for Strategic and International Studies and RAND Corporation.

Policy Objectives and Strategic Context

Policy goals include deterrence of missile attack, assurance of allies including Japan and Republic of Korea, and resilience of nuclear deterrent forces such as Minuteman III basing and Trident II (D5) deterrent patrols. Strategic context references major state actors—Russian Federation, People's Republic of China—whose modernizations of strategic forces and regional missile inventories influence Review recommendations, as do non‑state proliferation concerns tied to networks implicated in transfers documented by bodies like the United Nations Security Council. The Review situates missile defense within broader defense strategies articulated in documents such as the National Defense Strategy.

Capabilities and Technology

Technical assessments address hit‑to‑kill interceptors exemplified by the Ground-based Midcourse Defense system, sea‑based Aegis Ballistic Missile Defense equipped with Standard Missile 3, and terminal defenses like the Terminal High Altitude Area Defense and layered radars such as the AN/TPY-2 and space sensors fielded by programs like the Space Development Agency. Priorities include boost‑phase, midcourse, and terminal‑phase engagement capabilities, discrimination challenges against decoys, and integration of sensors, command systems, and shooters developed by industrial teams including General Dynamics and research from Johns Hopkins University Applied Physics Laboratory. Emerging technologies highlighted include directed energy, hypersonic defense concepts, and improved discrimination algorithms leveraging work at universities such as Massachusetts Institute of Technology.

Organizational Structure and Implementation

Implementation assigns roles among the Missile Defense Agency, United States Northern Command, and Combatant Commands including INDOPACOM and USSTRATCOM, with acquisition overseen by service acquisition executives and budgetary review by the Office of the Secretary of Defense. The Review recommends programmatic alignments across contractors, test ranges like Pacific Missile Range Facility, and standards harmonized with certification authorities such as the Defense Contract Management Agency. It also outlines personnel, training, and logistics requirements affecting host nation arrangements in partner states including Poland and Rumania.

International Coordination and Arms Control

The Review addresses cooperative programs such as Aegis deployments with allies Japan and Australia and cooperative missile defense dialogues with NATO and partners like Israel. It navigates the interaction between missile defenses and treaties including the New START framework, multilateral forums such as NATO Summit processes, and bilateral consultations with the Russian Federation and People's Republic of China, balancing reassurance measures, data sharing, and export controls administered through regimes like the Missile Technology Control Regime.

Criticisms, Challenges, and Future Directions

Critiques stem from technical concerns about test realism and discrimination, strategic debates over efficacy against peer adversaries like the Russian Federation and People's Republic of China, and fiscal scrutiny by watchdogs such as the Government Accountability Office. Operational challenges include defending against prolific regional inventories from states such as North Korea and Iran, countering hypersonic glide vehicles, and integrating space‑based sensing. Future directions emphasize accelerated development of sensor grids, experiments with directed energy and interceptor proliferation, strengthened allied burden‑sharing with partners like North Atlantic Treaty Organization members, and dialogues on risk reduction to mitigate escalation with major powers such as the Russian Federation and People's Republic of China.

Category:United States defense policy