Air & Missile Defense Radar (AMDR) System
Abstract
The Air and Missile Defense Radar (AMDR) program consists of the AN/SPY-6(V) Family Of Radars (FoR): -AN/SPY-6(V)1 (DDG 51 Arleigh Burke class Flight III guided missile destroyer) -AN/SPY-6(V)2 (Nimitz class Carriers, America class LHA, and San Antonio class LPD) -AN/SPY-6(V)3 (Ford class CVN, Constellation class FFG) -AN/SPY-6(V)4 (DDG 51 Arleigh Burke class Flight IIA guided missile destroyer backfit) AN/SPY-6(V)1 will provide multi-mission capabilities, simultaneously supporting both long range, exoatmospheric detection, tracking and discrimination of ballistic missiles, as well as Area and Self Defense against air and surface threats. For the Ballistic Missile Defense (BMD) capability, increased radar sensitivity and bandwidth over current radar systems are needed to detect, track and support engagements of advanced ballistic missile threats at the required ranges, concurrent with Area and Self Defense against Air and Surface threats. For the Area Air Defense and Self Defense capability, increased sensitivity and clutter capabilities are needed to detect, react to, and engage stressing Very Low Observable/Very Low Flyer (VLO/VLF) threats in the presence of heavy land, sea, and rain clutter. This effort provides for the development of an active phased array radar with the required capabilities to address the evolving threat. The AN/SPY-6(V) FoR will obtain performance and technology enhancements throughout their service life based upon an approach that includes modularity of hardware and software, a scalable design and Open Architecture (OA). AN/SPY-6(V)2 and (V)3 (Enterprise Air Surveillance Radar (EASR) will provide multi-mission capabilities, simultaneously supporting Air Traffic Control (ATC), situational awareness, and ship self-defense against Air and Surface threats. For these missions, increased clutter capability, short-range detection and tracking, and special weather waveforms are needed. AN/SPY-6(V)3 is the primary air surveillance radar supporting ship self-defense, situational awareness and Air Traffic Control (ATC) for Ford class Carriers. For other ship classes, AN/SPY-6(V)2 is the primary radar for self-defense and situational awareness with the ancillary role of supporting ATC by resolving SPN-50 mast blockage for ATC. AN/SPY-6(V)4 will provide Active Electronically-Steered Array (AESA) and digital beamforming technology for backfit to Flight IIA DDG. Backfit of SPY-6 technology on DDG 51 FLT IIA commences with non-recurring engineering efforts to scale the radar hardware and software; perform modeling and simulation to update the Concept of Operations (CONOPS), and enable SPY-6 Integrated Air and Missile Defense (IAMD) performance capabilities on FLT IIA DDGs. AN/SPY-6 Enhancements include Advanced Distributed Radar (ADR), High Efficiency High Powered Amplifier (HPA), Agnostic Signal Processing for Increased Radar Efficiency (ASPIRE) hardware development, second-source Radio Frequency (RF) Head, and Modeling and Simulation (M&S) in support of Combat System Test Beds, pivoting from software to hardware development, second-source Radio Frequency (RF) Head, and Modeling and Simulation (M&S) in support of Combat System Test Beds, pivoting from software to hardware upgrades in FY25. ADR includes software enhancements that will enable multi-ship cooperative radar operations in order to support Distributed Maritime Operations (DMO) for the SPY-6 FoR. ADR transitions Receive Only Cooperative Radar (ROCR), Networked Cooperative Radar (NCR), and EMPIRE software capabilities from Office of Naval Research (ONR) to tactical development, implementation and testing. ADR software enhancements will increase radar detection performance for IAMD capabilities and enable operations with radars in receive-only mode in cooperation with other AN/SPY-6(V) radars. Agnostic Signal Processing for Increased Radar Efficiency (ASPIRE) effort will transition from ONR to address hardware options for more flexible digital beamforming, advanced signal processing, signal synthesizer architecture, and smaller digital receiver-exciter systems, resulting in efficiencies in radar size, weight, and power requirements as a key enabler to further enhance radar capabilities. HPA development will proceed and improve manufacturability and efficiency second source development to drive down costs. M&S efforts include support of Combat System and Enterprise Test Beds. The FY25 funding request supports the following efforts: SPY-6(V)1 integration efforts and associated development to support AEGIS Baseline 10 integration, advanced radar capability testing at the Advanced Radar Development Evaluation Laboratory (ARDEL), and integration with the AEGIS Virtual Test Environment (VTE). Integration efforts and associated development for AN/SPY-6(V)2 and (V)3 (Enterprise Air Surveillance Radar (EASR)) to integrate with Ship Self Defense System (SSDS) Baseline 12 and meet the performance requirements contained in the Battlespace Awareness Interface Control Document/Drawing (ICD). This includes continued testing at the Land Based Test Site and integration efforts with the SYY-1 Air Traffic Control System and Cooperative Engagement Capability. AN/SPY-6(V)4 FLT IIA backfit efforts will continue with ship integration planning, system-level requirements development, modeling and simulation in support of requirements development, and software development to modify S-Band product line code for (V)4 capabilities, start (V)4 developmental testing at ARDEL, and begin preparation for SPY-6(V)4 Power and Integration Test to occur in FY26. ADR efforts will be paused in order to prioritize other SPY-6 enhancement efforts including ASPIRE hardware development, manufacturing the first set of second-source RF Heads, development of the high efficiency HPA, and continued M&S efforts to support Combat System Test Beds.
Document Details
- Document Type
- R2 Budgetary Justification
- Publication Date
- Oct 01, 2025
- Source ID
- 0604522N_5_1319_PB_2025
- Change Summary Explanation
- FY23: Decrease of $2.574M for SBIR/STTR Transfer. FY25: Net increase of $3.066M includes additional funding for SPY-6(V)4 land based testing in support of the DDG MOD 2.0 program through programmatic adjustments ($2.634M) and Miscellaneous Rate Adjustments ($.702M). In order to prioritize DDG FLT IIA backfit efforts and other SPY-6 enhancements, ADR efforts have been removed from FY25.
- Service Agency Name
- Navy
Entities
Organizations
- United States Navy
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