GROUND BASED STRATEGIC DETERRENT (GBSD)
Abstract
The Sentinel (GBSD) program has been designated as LGM-35A Sentinel. The Sentinel (GBSD) program will design, develop, produce and deploy a replacement for the current Minuteman III (MM III) Intercontinental Ballistic Missile (ICBM) weapon system in order to maintain a safe, secure, reliable, and effective nuclear deterrent. The Sentinel (GBSD) program will deliver a fully integrated weapon system beginning in Fiscal Year 2029 that will lower lifecycle costs and close key capability gaps and vulnerabilities identified in the Sentinel (GBSD) Capabilities Based Assessment, Sentinel (GBSD) Capabilities Development Document, and the Sentinel (GBSD) Analysis of Alternatives. Sentinel (GBSD) will also mitigate ground-based deterrent degradation due to MM III component age-out and attrition. The Sentinel (GBSD) program will include prime contractor development of applicable support equipment, data, flight test hardware and infrastructure, and training systems while examining and mitigating risk during the MM III to Sentinel (GBSD) transition. The Sentinel (GBSD) program office has partnered with MM III program office to facilitate communication and integration of the weapon system recapitalization during the MM III to Sentinel (GBSD) transition. This program includes any needed nuclear surety and certification and system vulnerability assessments. During the Engineering and Manufacturing Development (EMD) phase, the Sentinel (GBSD) program will execute 1) government system engineering, analytics, and test capability development; 2) air vehicle equipment development; 3) command & launch systems development; 4) infrastructure and deployment development; 5) support systems development; and 6) weapon system integration. Government systems engineering investments include development in model-based systems engineering (MBSE), integration, test software, product life-cycle management framework, and modernization of existing system engineering/integration labs and infrastructure. Air vehicle equipment is an integrated missile stack including the propulsion, post-boost, guidance, and re-entry systems sub-components. Command & launch encompasses all command and control components and interfaces, associated ground hardware, ground control equipment and associated software directly related to the survivability, monitoring, and launch of the replacement flight system. Launch systems include launch centers, launch facilities, and associated structures and ground mechanical systems. Support systems include operator and maintainer training systems hardware and software, security system architecture, transport support equipment, program office and weapon system facilities, and peculiar/common support equipment. Weapon system integration risk reduction includes non-proprietary open systems architecture with well-defined interfaces and a modular design at the weapon system level to allow future modification and technology insertion. As Sentinel (GBSD) progresses toward Critical Design Review (CDR), the Sentinel (GBSD) weapon system design will dictate the parameters for the MILCON real property requirements and their integration with the weapon system component requirements as these are inextricably linked. The funding required for Fiscal Year 2024 will be used to continue the execution of the EMD contract to advance Sentinel (GBSD) program major activities to include systems engineering , information technology, data management, analytical capabilities and to deliver a flexible, integrated weapon system critical design. The program will modify, modernize, and expand the analytic environment and labs to support EMD activities to enable full execution of the program's capability to own the technical baseline throughout the program life cycle. This involves establishing a digital engineering system including a supporting environment / infrastructure to perform digital activities, to collaborate with, and to communicate across stakeholders. The Sentinel (GBSD) program will continue to examine and mature air vehicle equipment, command and launch, cybersecurity, operator and maintenance training systems hardware and software, security system architecture, transport sub-systems, Peculiar/Common Support Equipment and associated ground technologies. The program will also continue to mature and refine weapon system and non-operational software, software integration and development, modular system architecture requirements, and product life-cycle management. This will continue to require execution and improvement to the unified certification strategy facilitating system validation and verification for nuclear surety, cyber security, and nuclear safety requirements. The program will also expand and mature the analytical, information technology, test, and data management capabilities to ensure access to weapon system design information is properly controlled and securely transmitted between government and contractors. The program will continue to develop Vandenberg Space Force Base (VSFB) test capabilities and provision Western Range Test capabilities for the Flight Test Program. Additionally, the Sentinel (GBSD) program funds all required developmental and operational test and evaluation activities to meet initial and full operational capability milestones including, but not limited to, developing, improving and modernizing test capabilities essential to reaching those milestones when existing test capabilities are inadequate or non-existent. The program will also continue integrating the capability to meet the requirement for dual-capable, air based, survivable launch . Finally, the program will establish a government-owned and government-operated DevSecOps / software stack within a cloud environment. FY24 PE 0605238F is submitting a Technical Adjustment to realign $7.650 million to MGBSD1 Aircraft Procurement, Air Force for SLP-A kit procurement. MGBSD1 will be a new start in FY24. This program element may include necessary civilian pay expenses required to manage, execute, and deliver weapon system capability. The use of such program funds would be in addition to the civilian pay expenses budgeted in program element 0605833F or 0605831F. In FY2022 0.000M was expended for civilian pay expenses in this program element, and in FY2023 50.000M is forecasted for civilian pay expenses in this program element. This program is in Budget Activity 5, System Development and Demonstration (SDD) because it has passed Milestone B approval and is conducting engineering and manufacturing development tasks aimed at meeting validated requirements prior to full rate production.
Document Details
- Document Type
- Project
- Publication Date
- Oct 01, 2024
- Source ID
- 655238_0605238F_5_3600_PB_2024
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