N A T I O N A L   N U C L E A R   S E C U R I T Y   A D M I N I S T R A T I O N   O F F I C E   O F   D E F E N S E   P R O G R A M S

Nuclear Posture Review (2018) –Implementation Using Systems ApproachMarc Boucher and Dr. Srini Venkatesh

Office of System Engineering and Integration (NA‐18) Office of Defense ProgramsNational Nuclear Security Administration, Washington DC

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Overview

Background Overview of Systems Implementation Approach Summary / Next Steps

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Background

The mission of the Energy Department is to ensure America’s security and prosperity by addressing its energy, environmental and nuclear challenges through transformative science and technology solutions.

Established by Congress in 2000, NNSA is a semi‐autonomous agency within the U.S. Department of Energy responsible for enhancing national security through the military application of nuclear science. 

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DOE/NNSA ‐ Applying Technical Capabilities to National Security Challenges

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Nuclear Stockpile Planning

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Weapons Design and Production

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2018 Nuclear Posture Requirements

Retain the B83‐1  Low‐Yield Ballistic Missile (LYBM)

Define the capability to effectively engage protected targets

Pursue the Sea‐Launched Cruise Missile (SLCM)

Advance the W78 replacement 

Develop an NNSA Production Roadmap  

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NPR Requirements

Retain the B83‐1. The B83‐1 was originally scheduled to retire as early as2021. The NPR guides NNSA to “retain the B83‐1 until a suitablereplacement is identified.”

Low‐Yield Ballistic Missile (LYBM). The NPR calls for NNSA to modify asmall number of existing submarine‐launched ballistic missiles to provide alow‐yield option.

Define the capability to effectively engage protected targets. The NPR, inretaining the B83‐1, discusses protected targets and a suitablereplacement. DOD, together with DOE/NNSA, will conduct a study toexplore options for suitable replacements.

Pursue the Sea‐Launched Cruise Missile (SLCM). The NPR guides NNSA toprovide warhead planning options for a nuclear‐armed SLCM.

Advance the W78 replacement. The NPR directs NNSA to restart the W78replacement program 1 year earlier, starting in fiscal year (FY) 2019.

Develop an NNSA Production Roadmap. The NPR instructs NNSA todevelop a roadmap that sizes production capacity to modernization andhedging requirements.

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Systems Overview

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Weapons

Deterrent

Modernize Weapons

Weapons

NNSA Plants & Laboratories

Program Execution

Workforce

Infrastructure

Functional Aspects

Enablers

Requirements

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Requirements Systems View

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Deterrent

Safe

Secure

Effective

Reliable

Weapon

Military Characteristic

Stockpile to Target Sequence 

Nuclear Safety & Security

Assurance

Modernize Weapons

NPR 

Refurbishment & Reuse

Capabilities to meet• Retain the B83-1 • Low-Yield Ballistic Missile (LYBM)• Define the capability to effectively engage protected

targets• Pursue the Sea-Launched Cruise Missile (SLCM)• Advance the W78 replacement • Develop an NNSA Production Roadmap

Environment & Health

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Enabling Systems View

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NNSAPlants & 

Laboratories

Pantex

Los Alamos National Lab

Kansas City National Security 

Campus

Lawrence Livermore 

National Lab

Savannah River Site

Y‐12

Sandia National Labs

Nevada National Security Site

Program Execution

Risk

Communications

Requirements

Configuration Management

Work Breakdown Structure

Schedule

Systems Engineering

Cost

WorkforcePeople

Skills

Training

Qualifications

Infra‐structure Equipment

Facilities

Utilities

Transport 

Functional Aspects Surveil

Design

Produce

Dispose

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System‐of‐Systems View

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Requirements Enablers

Deterrent

Safe

Secure

Effective

Reliable

Weapon

Military Characteristic

Stockpile to Target Sequence 

Nuclear Security

Assurance

Modernize Weapons

NPR 

Refurbishment & Reuse

Environment & Health

NNSA Plants & 

Laboratories

Pantex

Los Alamos National Lab

Kansas City National Security 

Campus

Lawrence Livermore 

National Lab

Savannah River Site

Y‐12

Sandia National Labs

Nevada National Security Site

Program Execution

Risk

Communications

Requirements

Configuration Management

Work Breakdown Structure

Schedule

Systems Engineering

Cost

WorkforcePeople

Skills

Training

Qualifications

Infra‐structure Equipment

Facilities

Utilities

Transport 

Functional Aspects Surveil

Design

Produce

Dispose

‐ ICBM‐ SLBM‐ Air Carried

Weapons

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Implementation Approach

Develop a holistic functional model at a high level• Solution that supports the entire functional aspects and  program 

management/execution Build simple working architecture/models for each system Identify the linkages between the different systems

• A set of integrated collaboration features Identify and resolve compatibility discrepancies due to use of different

software Verify and validate the model Perform analysis

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Complex Model with multiple functionalities – Work in Progress

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Example Output ‐NNSA Production/Manufacturing Roadmap

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CapabilitiesDetonator Manufacturing 

Pit Manufacturing

HE Manufacturing 

Weapon Assembly

Pit Reacceptance

Lithium Manufacturing 

Uranium Part Manufacturing

NG Manufacturing

Rad Hard Micro‐Electronics

Power Supply Manufacturing

GTS Manufacturing

Microelectronics Packaging

Electronic Assembly 

Mechanism Manufacturing

Cable Manufacturing

Polymer Material Manufacturing 

Tester Manufacturing

System AttributesProducts

Materials

Infrastructure

Critical Equipment

Science & Technology Development

Human Capital

Typical Expected Model Outputs

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Summary/Next Steps

Discussed the various systems and their relationship Approach to building the model Preliminary building blocks are being developed Initially addressing key near term questions using simple system models Plan is to build the System‐of‐Systems model in the next couple of years

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