The Department of the Navy (DoN) is committed to the acquisition of the DDG 51 Flight III destroyers with an integrated Air and Missile Defense Radar (AMDR) to meet the requirements for Integrated Air and Missile Defense (IAMD) capabilities. After several years of study, analysis, requirements validation, and prototype testing, the AMDR S-Band system is poised for successful integration into the DDG 51 Class ships as the Flight III upgrade. (Prepared by: Assistant Secretary of the Navy Research, Development, and Acquisition 1000 Navy Pentagon Washington, DC 20350-1000)
The AMDR has successfully completed Milestone B, a full system Preliminary Design Review, a hardware Critical Design Review, and will deliver its first full ship set of production equipment by early FY 2020. The remaining equipment required to provide power and cooling to the AMDR are all based on currently existing equipment and therefore induce low technical risk to the program. Given the tremendous capability improvement AMDR provides to defeat emerging air and ballistic missile threats over current radars, the low to moderate technical risk associated with implementing this radar on an FY 2016 DDG 51 justifies execution of the ECP during the FY 2013-2017 multiyear procurement contract.
The DDG 51 Class Program has awarded a total of 76 ships from 1985 to 2017 between two shipbuilders, General Dynamics Bath Iron Works (BIW) and Huntington Ingalls Industries (HII). Most recently, 10 were awarded in June 2013 under Multi-Year Procurement (MYP) authority for FY13-17. Sixty-two ships have been delivered. Of the remaining 14, six are in various stages of construction and will deliver in 2016 and beyond. The Flight III configuration will be integrated via the Engineering Change Proposal (ECP) process onto the last three ships of the FY13-17 MYP: one ship in FY16 and both FY17 ships. A follow-on FY18 MYP will continue the production line.
Prior to Flight III, the program has produced three flights (I, II and IIA). Flights II and IIA included important modifications for changing mission requirements and technology updates, thus demonstrating the substantial capacity and flexibility of the base DDG 51 hull form. Flight II introduced enhanced capability in Combat Systems and Electronic Warfare. Flight IIA constituted a more significant change to the ship by incorporation of an organic dual hangar/dual helicopter aviation facility, extended transom, Zonal Electrical Power Distribution (ZEDS), enhanced missile capacity, and reconfigured primary radar arrays.
The combined scope and means for integrating the changes for Flight III is similar to the approach used in the Flight IIA upgrade. Additionally, during Flight IIA production in the middle of the FY98-01 MYP, the class was significantly upgraded with a new radar, the AN/SPY-1D(V), and an improved combat management computing plant, AEGIS Baseline 7.1. The previous ship system changes were successfully executed by ECPs introduced via the existing systems engineering processes on both Flight II and IIA in support of the ongoing construction program. This methodology takes advantage of the U.S. Navy and prime contractor experience with the proven processes while offering effective and efficient introduction of the desired configuration changes. It also provides the more affordable and effective approach toward producing this enhanced ship capability in lieu of starting a new ship design to incorporate the same capabilities into a new production line for ship construction.
DDG 51 Flight III will be the third evolution of the original DDG 51 Class and will achieve the U.S. Navy’s critical need for an enhanced surface combatant integrated IAMD capability. Flight III will build on the warfighting capabilities of DDG 51 Flight IIA ships, providing this capability at the earliest feasible time. Its defining characteristics include integration of the AMDR, associated Combat Systems elements, and related Hull, Mechanical, and Electrical (HM&E) changes into a modified repeat Flight IIA design. AMDR will give Flight III ships the ability to conduct simultaneous Anti-Air Warfare (AAW) and Ballistic Missile Defense (BMD) operations. Flight III will contribute to mitigating the capability gaps identified in the Maritime Air and Missile Defense of the Joint Force (MAMDJF) Initial Capabilities Document (ICD). The integrated Flight III ship system as delivered will meet the program requirements as stated in the DDG 51 Class Flight III Capabilities Development Document (CDD).
DDG 51 Flight III will execute four primary missions:
- Integrated Air and Missile Defense,
- Anti-Surface Warfare,
- Anti-Submarine Warfare,
- Strike Warfare,
and will have the ability to plan, coordinate and execute alternate warfare commander responsibilities for either anti-air warfare or ballistic missile defense.
|Flight III Systems||Technological Maturity|
|AMDR||In Engineering & Manufacturing Development, LRIP scheduled for FY 2017|
|MT-5 Gas Turbine Generator||Fielded on DDG 1000 class|
|4160VAC Electric Plant||Fielded on LHA 6 Class|
|300 Ton A/C Plant||In operation at vendor plant, environmental qualification in progress|
|4160VAC to 1000VDC Power Conversion Module||Fielded on DDG 1000 Class|
Throughout the five-year span of evaluation and refinement as the ship concept was being matured, the Flight III ship capability requirements were also being clarified and validated. A meticulous and concerted effort was applied in considering the secondary effects of ship impacts created from the Flight III changes to avoid degrading or compromising the existing DDG 51 Flight IIA requirements. A substantial milestone achievement was reached on 28 October 2014 when the Flight III CDD was validated and approved by the Joint Requirements Oversight Council (JROC). The Flight III CDD requirements reflect an achievable set of goals for upgrading the DDG 51 Class with the AMDR S-Band. The new requirements that could only be met by modifying the ship include the IAMD, Space, Weight, Power, and Cooling Service Life Allowance (SWaP-C SLA), Manpower, and Alternate Warfare Commander requirements. The majority of the remaining CDD requirements are met by the current DDG 51 Class design.
ECP development is a fundamental systems engineering approach; an approach currently implemented in the DDG 51 program that has been continuously updated and improved since the program’s inception in the early 1980s and has resulted in the successful delivery of 62 DDG 51 Class destroyers. The last three ships of the FY13-17 MYP are designated as Flight III beginning with one of the FY16 ship. The Flight III is a modified repeat of the existing baseline and will be centered on the addition of an IAMD capability in the form of the AMDR-S, associated enhanced combat systems elements and requisite supporting HM&E changes. These changes will be incorporated via discrete ECPs with the same proven processes and rigor that produced successful Flight II and IIA upgrades to the class.
The AMDR suite consists of an S-Band radar (AMDR-S), X-Band radar (SPQ-9B), and a Radar Suite Controller (RSC). AMDR-S is a new development IAMD radar providing sensitivity for long-range detection and engagement of advanced threats. The X-Band radar is a horizon-search radar based on existing technology. The RSC provides radar resource management and coordination for both S and X-Band, and interface to the combat system. The SPQ-9B, radar is already slated for installation on the FY14 Flight IIA ships.
AIU – Array Interface Unit
APDU – Array Power Distribution Unit
CEU – Cooling Electronics Unit
DBFS – Digital Beamforming System
DSPS – Digital Signal Processing System
FTS – Frequency Time System
MPDU – Main Power Distribution Unit
RCPS – Radar Control Processing Subsystem
RSC – Radar Suite Controller
RTSS – Real-Time Simulation Subsystem
UPS – Uninterruptible Power Supply