Strategic Sub & Wpns Sys Supt
Abstract
The Joint Warhead Fuze Sustainment Program (0951) is an effort to develop advanced components to improve the reliability, safety, and security of Arming, Fuzing and Firing (AF&F) systems for nuclear reentry systems. The current effort is focused on supporting the alteration of the AF&F system for the MK5/W88 system which will be five years beyond its design life at the scheduled deployment of the AF&F alteration. This effort also supports future utilization of the developed components by the US Air Force and United Kingdom. The Mk4B(formerly referred to as Mk4A) Shape Stable Nose Tip (SSNT) (2021) effort will convert reentry body (RB) forward shell assemblies (FSA's) from legacy carbon composite nose tips to SSNT's. This will require ground and flight testing of SSNT Reentry Body Assemblies, updates and modifications to RB documentation (Weapon Specifications, Interface Control Drawings, product drawings etc), updated Fire Control software for fleet implementation, conversion of war reserve RB's to FSA's with SSNT, procurement/conversion of surveillance and flight test units, Strategic Weapons Facility (SWF) logistics implementation planning and execution, review and update Mk4B surveillance planning and the DoD share of National Nuclear Security Administration (NNSA) Office of Secure Transportation (OST) for shipping. The Technology Applications Program (2228) supports the TRIDENT II (D5) Submarine Launched Ballistic Missile (SLBM) that provides the U.S. a weapon system with greater accuracy and payload capability as compared to the TRIDENT I (C4) system. TRIDENT II enhances U.S. strategic deterrence providing a survivable, sea-based system capable of engaging the full spectrum of potential targets with fewer submarines. D5LE2 will include System Level Architecture Trades Analysis, Guidance and Missile Technology Maturation. Trading system architecture concepts and implementing modern model based design and system engineering practices begins in a limited capacity in FY20 and expands in FY21. D5LE2 Avionics Architecture & Technology Development will include redesign/development of legacy D5 and D5LE electronic technologies which are now obsolete or have manufacturing lines that have shutdown. Avionics architectures, sensor, bus and component designs are inherently complex with design and manufacturing technologies continuously evolving. Technology advancements and improved system architecture concepts have the potential to improve system capability, modularity, manufacturability, SWS operations and sustainability. FY21 funding continues and adds D5LE2 tasks associated with research and development for Strategic Weapons System studies, and required technology maturation. Continuing and Expanded tasks: - Systems Studies and Architecture development - Radiation Hardened parts concepts and evaluation - Guidance concepts and sensors evaluation New tasks - Post Boost Technologies concepts and evaluation - Battery concepts and evaluation - PBCS Manufacturing concepts - Nose Fairing Material evaluation - Equipment Section Material evaluation - Connector and cables evaluation The Multi Star Enhanced Prelaunch (MEP) project leverages the capability of the D5 Life Extension Guidance (Mk6 Mod1) to sight two stars vice one combined with the interface updates to the Fire Control and Navigation subsystem, allowing for in-flight correction, the potential to operate in environments where GPS is denied, and may provide future relief to the strict tolerance requirements of the strategic navigator on the current OHIO class submarines and the COLUMBIA program. The Systems Engineering Modeling and Simulation capability will consist of three elements: Model Based Design, Strategic Weapon System (SWS) Integrated Modeling and Simulation/Common Architecture & Framework, and SWS Enhancement Ground Test. This effort will provide the capability to comprehensively evaluate and test the integrated SWS within representative operational environments, providing unprecedented visibility across the SWS and system performance characterization equivalent to flight testing. This capability will enable trade space analysis to identify technical margin, subsystem interactions, and lifecycle affordability opportunities to include other services and be able to identify the benefits and risks of commonality to the individual programs, requirements and CONOPs modifications that could facilitate commonality, potential common acquisition strategies between the services, and total life cycle cost implications. The 3097 RDTEN project has been designated as the Mk7/W93 warhead, formerly known as the Interoperative Warhead (IW) and also the Mk5/W88 Life extension program. The name change to Mk7/W93 is reflected herein. This project will design, develop, and test a future Navy warhead to include a new Navy Aeroshell for a Submarine Launched Ballistic Missile (SLBM). Early FYDP efforts will primarily consist of developing programmatic planning and structure to support the continuing study and future program along with further exploration and refinement of the concept studies that resulted from the FY19 Navy Feasibility Study. Programmatic efforts will consist of program planning and development of cross-agency plans (risk and opportunity, decision documentation and communication). Following the results of the Navy Feasibility Study, refinement of the concept study will be accomplished through system trade studies and drafting initial high level requirements documents in order to support the program entering a Phase 2 (Feasibility Study and Design Options) / 2A (Design Definition and Cost Study) effort in FY24. In FY21, the project will further refine the down-selected concepts, screening criteria and programmatic tradeoffs (e.g., cost, schedule, technical maturity) for the concepts being considered. Additionally FY21 will begin aeroshell development efforts to include developing the materials and infrastructure necessary to support a mass mock flight experiment shortly after Phase 3 (Engineering Development) authorization. The Integrated Nuclear Weapons Security System (INWSS) (3158) efforts support the Nuclear Weapons Security program and SSBN Escort mission. The policies and requirements regarding the safeguard of nuclear weapons within the Department of Defense is established by DoD S5210.41M. Within the Department of the Navy, nuclear weapons are limited to TRIDENT Fleet Ballistic Missiles (FBM), either deployed aboard TRIDENT submarines or located landside at Naval Submarine Base, Kings Bay, or Naval Submarine Base, Bangor where missiles are first assembled as well as repaired. The Chief of Naval Operations (CNO) has assigned the Strategic Systems Programs (SSP), the FBM program manager, with mission responsibility for the safeguard of FBM nuclear technologies. This budget supports efforts directed at improving the current technological baseline through a series of studies. These efforts will improve countermeasure technologies to address detection, delay and denial.
Document Details
- Document Type
- R2 Budgetary Justification
- Publication Date
- Oct 01, 2021
- Source ID
- 0101221N_7_1319_PB_2021
- Change Summary Explanation
- The FY 2021 funding request was increased by $20.114M from FY20. Project 3097 was increased by $32.475 for Aeroshell development and furthers the feasibility study for the development of a future Navy warhead variant. The project is now named "Mk7/W93" per Nuclear Weapons Council direction to name the warhead variant as the project. The program was also reduced by $12.585M to account for the availability of prior year execution balances. Rate and other miscellaneous adjustments account for an increase of $.224M.
- Service Agency Name
- Navy
Entities
Organizations
- United States Navy
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