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1 : February 26 Exhibit R2, RDT&E Budget Item Justification: PB 27 2: Research, Development, Test & Evaluation, / BA 7: Operational Systems Development COST ($ in Millions) FY 25 FY 26 R Program Element (Number/Name) PE 67865A / Patriot Product FY 28 FY 29 FY 22 To FY 22 Complete Program Element Continuing Continuing DV8: Patriot Product Continuing Continuing Note Beginning FY7, funding specific to LTAMDC realigned to PE 6A, Lower Tier Missile Defense (LTAMD) Capability. A. Mission Description and Budget Item Justification PATRIOT is an advanced SurfacetoAir guided missile system with a high probability of kill, capable of operation in the presence of Electronic Countermeasures (ECM) and able to conduct multiple simultaneous engagements against high performance air breathing targets and ballistic missiles likely to be encountered by U.S. Forces. The PATRIOT Product Program provides for the upgrade of the PATRIOT System through individual materiel changes and upgrades to the PATRIOT system to address operational lessons learned, enhancements to joint force interoperability, and other system performance improvements to provide overmatch capability with the emerging threat. Efforts will be made to expedite PATRIOT materiel solutions (e.g. Radar Digital Processor, Communications Upgrades, address Tactical Ballistic Missile (TBM) capability, Combat ID, and Advanced ECM improvements) to both enhance capability and facilitate integration into the Integrated Air and Missile Defense (IAMD) architecture. The software funding provides improvements to the PATRIOT system against the evolving threat. This effort supports work with national agencies to evaluate, assess, and develop means to mitigate threat trends and specific threat developments potentially impacting system performance. Specific improvements may be developed and fielded under this task if warranted. The effort maintains the Mission Tailoring Database, responding to immediate tactical concerns. Database updates are fielded between major software upgrades as necessary. FY27 base dollars will add assured Positioning, Navigation, and Timing (PNT) activities and continue Software for Threat Evolution, Advanced Electronic Counter Measures (AECM), Tasks 2, 6, and 7 activities, and Combat ID Enhancements for the PATRIOT Product Program (PIP). PE 67865A: Patriot Product Page of R Line #75

2 : February 26 Exhibit R2, RDT&E Budget Item Justification: PB 27 2: Research, Development, Test & Evaluation, / BA 7: Operational Systems Development FY 25 B. Program Change Summary ($ in Millions) Previous President's Budget Current President's Budget Adjustments Congressional General Reductions Congressional Directed Reductions Congressional Rescissions Congressional Adds Congressional Directed Transfers Reprogrammings SBIR/STTR Transfer Adjustments to Budget PE 67865A: Patriot Product. R Program Element (Number/Name) PE 67865A / Patriot Product FY Page 2 of R Line #75

3 : February 26 Exhibit R2A, RDT&E Project Justification: PB 27 2 / 7 COST ($ in Millions) R Program Element (Number/Name) PE 67865A / Patriot Product FY 25 DV8: Patriot Product Quantity of RDT&E Articles FY FY DV8 / Patriot Product FY 29 FY To FY 22 Complete Continuing Continuing Note Beginning FY7, funding specific to LTAMDC realigned to PE 6A, Lower Tier Missile Defense (LTAMD) Capability. A. Mission Description and Budget Item Justification Software s for threat evolution: Performs necessary analysis and development efforts to maintain PATRIOT system effectiveness against evolving threat technologies and specific threat capabilities. This effort identifies evolving threats and threat characteristics that might present a challenge to PATRIOT's current capabilities and develops initial concepts to maintain system effectiveness relative to these threats. UpperTier Debris Mitigation (UTDM): Implements algorithms to mitigate system impacts of debris from Upper Tier intercepts associated with operating in the Ballistic Missile Defense System (BMDS) environment. Debris from Upper Tier intercepts can cause significant radar loading effects and the potential for erroneous engagements and missile wastage on debris. Radar Digital Processor (RDP) Development: Incorporates improvements to mitigate radar hardware obsolescence, improves Reliability, Availability and Maintainability (RAM) and improves performance of the PATRIOT Radar Set against evolving threat sets. This program includes the implementation of Identification Friend or Foe Mode 5 Level / Level 2, and a NonCooperative Target Recognition Combat ID technique to mitigate potential fratricide risk, and the development of CONOPS to incorporate the new Combat ID capabilities into system operation. The RDP also provides the necessary radar processing capability to support followon Evolutionary Development Program (EDP) Tasks 6 and 7 to counter emerging threats and provide data necessary to support migration to IAMD. The RDP is a prerequisite for migration to an IAMD Netted Sensor. RDP Waveform Suite: Develops a comprehensive set of waveforms in the RDP to improve PATRIOT radar capabilities against current and evolving threats, including support to Task 6 and 7 efforts (see below), and implements advanced data collection enabled by the RDP to support further system improvements. The RDP implementation allows significant radar waveform improvements necessary to counter evolving threats. SIPRNet/NIPRNet Access Point/Troposcatter (SNAP/TROPO): Provides hardware interfaces to support extended range communications within the battalion (TROPO) and Force Operations interfaces to satellite for access to SIPR/NIPR worldwide communication networks. THAAD/PATRIOT Interoperability: Implements improvements to THAAD/PATRIOT Interoperability and addresses Joint Defense Network deficiencies that impact Tactical Ballistic Missile battle management and force/engagement operations. Efforts will be concentrated on joint, collaborative force operations (defense design and planning) and enhanced Tactical Digital Information Link Joint interoperability. PE 67865A: Patriot Product Page 3 of R Line #75 2

4 : February 26 Exhibit R2A, RDT&E Project Justification: PB 27 2 / 7 R Program Element (Number/Name) PE 67865A / Patriot Product DV8 / Patriot Product Advanced Electronic Counter Measures (AECM): This task investigates the implications of advanced technology Digital Radio Frequency Memory available on airborne platforms that enables new ECM techniques which could adversely affect Air and Missile Defense System effectiveness. Task 2: Implements improved ground system and interceptor capabilities (PATRIOT Advanced Capability2/Guidance Enhanced Missiles, PATRIOT Advanced Capability3, and Missile Segment Enhancement) to counter emerging Tactical Ballistic Missile threats. Task 6: Software improvements enhance discrimination of higher altitude Tactical Ballistic Missile Reentry Vehicles (RVs) from associated objects to support the full engagement capabilities of the interceptor. Longerrange detection, track, and improved highaltitude discrimination are required to achieve the required lethality performance against the RV and to mitigate missile wastage against separation debris. This task leverages the signal processing capabilities of the Radar Digital Processor, and supports the high altitude engagements required by the PATRIOT Advanced Capability3 (PAC3) and PAC3 Missile Segment Enhancement missiles. Task 7: Software improvements analyze existing and evolving Tactical Ballistic Missile countermeasures and their effects on PATRIOT system effectiveness. Develops concepts to address countermeasure effects and ensure the PATRIOT system maintains its effectiveness. Develops detailed system requirements to implement concepts; design/code/test software implementation leveraging Radar Digital Processor, Modernized Adjunct Processor, Enhanced Weapons Control Computer Emulator and Flight Solution ComputerRedesign processing capabilities. Assured Positioning, Navigation, and Timing (PNT): Efforts will develop and test the military s improved Global Position MCode with Patriot Major End Items (MEI) integrating the improved antijamming and secure access of military GPS signals. This effort meets the requirement for Assured PNT through MCode as mandated by FY2 National Defense Act, public law 383 & 93. Combat ID Enhancements: Develop and implement improvements to the Radar Digital ProcessorCapability Combat ID capabilities and additional NonCooperative Target Recognition techniques to further mitigate misclassification and fratricide risk, and to provide the Warfighter with improved situational awareness. Lower Tier Air & Missile DefenseCapability (LTAMDC)/ Flat Panel Array Concept Study: This task provides studies for initial concepts and performance capabilities related to the implementation of an Active Electronically Scanned Array (AESA) transmitter/antenna into the PATRIOT radar. These assessments are needed to refine user community expectations and requirements, and to prepare a viable set of requirements to support a competitive modernization competition. AntiRadiation Missile (ARM) Asset Defense: Provides improved capability for PATRIOT to protect other and Joint Services Sensors from ARM attacks. Builds on an initial capability provided in PostDeployment Build7 by determining remaining gaps, identifying and evaluating alternatives, and implementing further improvements. Lower Tier Air & Missile DefenseCapability (LTAMDC): LTAMDC tasks include all the programmatic and engineering activities needed for the LTAMDC Materiel Development Decision, Analysis of Alternatives, and Business Case Analyses/Trades. Once the material solution has been determined, the development effort for LTAMDC will be accomplished. These activities will continue through the Technology Maturation and Risk Reduction and Engineering and Manufacturing Development phase to enable the prototyping, development, and testing of the LTAMDC continued under 6A in FY7. PE 67865A: Patriot Product Page of R Line #75 3

5 : February 26 Exhibit R2A, RDT&E Project Justification: PB 27 2 / 7 R Program Element (Number/Name) PE 67865A / Patriot Product DV8 / Patriot Product U.S. Government and contractor support for PIP efforts. B. Accomplishments/Planned Programs ($ in Millions) Title: PATRIOT Product FY 25 FY Description: Continuous to Counter the Evolving Threat. FY 25 Accomplishments: Continued Software for Threat Evolution. Radar Digital Processor (RDP) development near completion. Incorporated initial Advanced Electronic Countermeasures (AECM) Missile Guidance improvements and developed additional system concepts to address known AECM threats. Supported improvements for SIPRNet/NIPRNet Access Point / Troposcatter (SNAP/TROPO) and Lower Tier Air & Missile DefenseCapability (LTAMDC) Concept Study. Continued efforts for LTAMDC Analysis of Alternatives (AoA). Continued concept development for Tasks 2, 6, and 7 capabilities, and Combat ID enhancements. U.S. Government and contractor support to counter emerging threat. FY 26 Plans: Continues Software for Threat Evolution and continues efforts deferred from FY5 for Upper Tier Debris Mitigation, Combat ID enhancements, THAAD/ PATRIOT Interoperability and Tasks 2, 6, and 7 activities. Continues RDP integration into the PDB8 system configuration to support the U.S. FY27 fielding, to provide the field with additional capability and growth potential to counter emerging threats. Continues AECM development, Lower Tier Air & Missile DefenseCapability (LTAMDC) Concept Study and begins AntiRadiation Missile (ARM) Asset Defense development. Completes RDP developmental efforts. U.S. Government and contractor support to counter emerging threat. Plans: Continues Software for Threat Evolution and efforts for Advanced Electronic Countermeasures (AECM). Continues Combat ID Enhancements. Continues Tasks 2, 6, and 7 activities. U.S. Government and contractor support to counter emerging threat. Initiate development activities associated with Positioning, Navigation, and Timing (PNT). Accomplishments/Planned Programs Subtotals PE 67865A: Patriot Product Page 5 of R Line #75

6 : February 26 Exhibit R2A, RDT&E Project Justification: PB 27 2 / 7 R Program Element (Number/Name) PE 67865A / Patriot Product DV8 / Patriot Product C. Other Program Funding Summary ($ in Millions) To Line Item FY 25 FY 26 FY 28 FY 29 FY 22 FY 22 Complete C57: Patriot Mods (C57) Continuing Continuing Remarks The improvements/enhancements developed through the PATRIOT Product Program (PIP) are interrelated with the hardware kits that are procured and installed under the Missile Procurement, (MIPA) appropriation's PATRIOT Mods program and maximize the PAC3 MSE capabilities. D. Acquisition Strategy The design objective of the PATRIOT system was to provide a baseline system capable of modification to cope with continuing threat evolution. This program minimizes technological risks and provides a means of enhancing system capability through planned upgrades of deployed systems. The PATRIOT Product Program upgrades the PATRIOT system to address operational lessons learned, enhancements to joint force interoperability and communications, and other system performance improvements to provide overmatch capability against the emerging threat. Upgrades are implemented through individual hardware and software materiel changes and fielded incrementally. This program encompasses several changes which will require the use of a variety of acquisition methods to develop, test, procure and field. Future software capabilities will be incorporated into future Post Deployment Build (PDB) releases. E. Performance Metrics N/A PE 67865A: Patriot Product Page 6 of R Line #75 5

7 : February 26 Exhibit R3, RDT&E Project Analysis: PB 27 2 / 7 R Program Element (Number/Name) PE 67865A / Patriot Product Management Services ($ in Millions) Category Item Method & Type FY 25 Performing Activity & Location FY 26 DV8 / Patriot Product To Complete Target Value of Government Program Management RSA, AL : MIPR Oct 2. Oct Oct Continuing Continuing Continuing U.S. s.36.8 Feb 25.6 Feb 26.6 Feb 27.6 Continuing Continuing Continuing Subtotal Product Development ($ in Millions) Category Item Method & Type Performing Activity & Location FY 25 Software for Threat Evolution 2.87 Upper Tier Debris Mitigation (UTDM). Radar Digital Processor (RDP) Development Raytheon : Andover, Massachusetts SNAP/TROPO FY Jan Jan Feb 25. RDP Waveform Suite TBD Raytheon : Andover, Massachusetts THAAD PATRIOT Interoperability TBD Raytheon : Andover, Massachusetts Jan Jan 27 To Complete Target Value of 8.2 Continuing Continuing. Jan 26 Continuing Continuing.5 Jan 26 Continuing Continuing Continuing Continuing 2. Feb 26 Advanced Electronic Counter Measures (AECM) Jan Jan Jan Continuing Continuing Task 2 NonBallistic Tactical Ballistic Missile (TBM) Jan 25. Jan Jan Continuing Continuing Task 6 Discrimination s. 2. Feb Feb Feb Continuing Continuing Task 7 Tactical Ballistic Missile (TBM) Countermeasures.. Jan Jan 26. Jan 27. Continuing Continuing TBD. 7. Apr Continuing Continuing Assured PNT PE 67865A: Patriot Product Page 7 of R Line #75 6

8 : February 26 Exhibit R3, RDT&E Project Analysis: PB 27 2 / 7 R Program Element (Number/Name) PE 67865A / Patriot Product Product Development ($ in Millions) FY 25 FY 26 DV8 / Patriot Product Category Item Method & Type Combat ID Enhancements.8. Feb Feb 26 LowerTier Air & Missile DefenseCapability Concept Study (Flat Panel Array Concept Development).3. Jan Jan Raytheon : Andover, Massachusetts. 2. Feb Continuing Continuing AntiRadiation Missile (ARM) Asset Defense Lower Tier Air & Missile DefenseCapability TBD Performing Activity & Location Subtotal Feb Feb To Complete Target Value of.62 Continuing Continuing Target Value of Remarks The contract method type Sole Source/ is Fixed Price Level of Effort which includes Plus Fixed Fee for material, ODC, and travel. Test and Evaluation ($ in Millions) Category Item RDEC and Other Govt Agencies Method & Type FY 25 Performing Activity & Location RSA, AL : MIPR Subtotal To Complete.82.5 Jan 25.6 Jan 26.6 Jan 27.6 Continuing Continuing Continuing Project s FY FY 25 FY To Complete Target Value of Remarks PE 67865A: Patriot Product Page 8 of R Line #75 7

9 : February 26 Exhibit R, RDT&E Schedule Profile: PB 27 2 / 7 PE 67865A: Patriot Product R Program Element (Number/Name) PE 67865A / Patriot Product Page 9 of DV8 / Patriot Product R Line #75 8

10 : February 26 Exhibit RA, RDT&E Schedule Details: PB 27 2 / 7 R Program Element (Number/Name) PE 67865A / Patriot Product DV8 / Patriot Product Schedule Details Start Quarter Year 25 Quarter Year 22 Advanced Electronic Counter Measures (AECM) 2 22 Software for Threat Evolution 2 22 Combat ID Enhancements 2 22 PDB 8 IOC PDB 8 Fielding Task 2 NonBallistic Tactical Ballistic Missile (TBM) Task 6 Discrimination s 2 22 Task 7 Tactical Ballistic Missile (TBM) Countermeasures Assured PNT Radar Digital Processor Development Lower Tier Air & Missile DefenseCapability (LTAMDC) Concept Study 2 26 Software Build PE 67865A: Patriot Product Events End Page of R Line #75 9