Ballistic Missile Defense Midcourse Defense Segment
Abstract
The Ground-based Midcourse Defense (GMD) element of the Ballistic Missile Defense System (BMDS) provides combatant commanders with a continuously available (24 hours a day, 365 days a year) capability to defend the Homeland against limited Intercontinental Ballistic Missile (ICBM) attacks. The GMD capability consists of Ground Based Interceptors (GBI), GMD Fire Control system (GFC), GMD Communications Network (GCN), In-Flight Interceptor Communications System (IFICS) Data Terminal (IDT) and ground Launch Support Systems (LSS). The Missile Defense Agency (MDA) will deliver 64 operationally deployed GBIs located at Fort Greely, Alaska (60 GBIs) and Vandenberg Air Force Base, California (4 GBIs). Each GBI delivers a single kill vehicle to defeat threat warheads in space during the midcourse phase of the ballistic trajectory. The GFC consists of fire control nodes in Fort Greely, Alaska and Missile Defense Integration and Operations Center (MDIOC) Colorado Springs, Colorado. IDTs are currently located in Fort Greely, Alaska: Vandenberg Air Force Base, California; Eareckson Air Station, Alaska; and Fort Drum, New York. The GMD capability leverages integration of BMDS sensors across the globe. Development objectives for GMD include: improve homeland defensive capability against an evolving threat that is increasing both in number of missiles and complexity of threat payloads, execute flight testing, modernize the GMD ground system, provide fire control and communications, develop GBI software enhancements that improve reliability, capability, and discrimination, improve GMD models and simulations, and participate with other BMDS assets in system ground tests.
Document Details
- Document Type
- R2 Budgetary Justification
- Publication Date
- Oct 01, 2019
- Source ID
- 0603882C_4_0400_PB_2019
- Change Summary Explanation
- The increase from PB18 to PB19 in FY 2019 reflects additional funding required to support fielding of 20 additional GBIs at Fort Greely, AK to include Missile Field 4 efforts, Ground Systems hardware/software upgrades and C2, booster obsolescence development and to ensure the number of fielded GBI's does not decrease through the FYDP. In addition, increased funding will address cybersecurity vulnerabilities and continue to improve discrimination capabilities. FY 2017 MISSILE DEFEAT ENHANCEMENT REPROGRAMMING (FY2017-26 PA): +$81.000M is required to address emergency warfighting requirements in support of non-recurring engineering in advance of Procurement to begin an increase in capability of the Ground-based Interceptors (GBI) by 20 from 44 to 64 ($72.0M) and to add 20 new silos in a new missile field in Fort Greely, AK (Missile Field #4) ($9.0M). This is a congressional special interest item. FY 2018 MISSILE DEFEAT AND DEFENSE ENHANCEMETS (MDDE) BUDGET AMENDMENT: +$129.00M is required to address emergency warfighter requirements by increasing the capacity of GBIs for the warfighter. Specific requirements include the acceleration of the Redesigned Kill Vehicle (RKV) development, the obsolescence redesign of the Configuration 2 (C2) Boost Vehicle to replace the inertial measurement unit, the All Up Round (AUR) systems engineering of the of the RKV/C2+ Ground Based Interceptor (GBI), and the mitigation of Missile Field 4 (MF-4) Obsolescence. PB19 reflects approved out year Missile Defeat and Defense Enhancement (MDDE) tails.
- Service Agency Name
- Missile Defense Agency
Entities
Organizations
- Missile Defense Agency
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