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Strategic Deterrence and Capabilities

Strategic Deterrence and Capabilities (SDC) is the Under Secretary of War for Acquisition & Sustainment (USW(A&S)) focal point for executing acquisition oversight of assigned U.S. nuclear and strategic modernization programs, enabling the seamless modernization of nuclear and strategic systems by synchronizing cross-Departmental functions, and ensuring Department of War activities are compliant with U.S. obligations under strategic arms control treaties and agreements.


Brooke H. McNally

Brooke H. McNally

Director, Strategic Deterrence and Capabilities



ACAT 1D Defense Acquisition Executive Programs
ACAT 1D Defense Acquisition Executive Programs
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AGM-181 Long-Range Standoff (LRSO) Weapon

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Nuclear-Armed, Sea-Launched Cruise Missile (SLCM-N)

Direct Reporting Portfolio Manager /Service Acquisition Executive Programs
Direct Reporting Portfolio Manager /Service Acquisition Executive Programs
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LGM-35A Sentinel

Mk21A

ICBM Fuze Mod

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Trident II D5 Life Extension 2

Middle Tier Acquisition Programs
Middle Tier Acquisition Programs
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Conventional Prompt Strike (CPS)

Active Strategic Treaties and Agreements
Active Strategic Treaties and Agreements

Outer Space Treaty

Agreement on Notifications of Launches of Ballistic Missiles

Agreement on Reciprocal Notifications of Major Strategic Exercises

Hague Code of Conduct Against Ballistic Missile Proliferation

New START Treaty – Expired February 2026