AEGIS Weapon System (AWS) MK99 Fire Control System (FCS) Mod X
Closed Solicitation Posted
- Solicitation number
- N0002425R5345
- Agency
-
Naval Sea Systems Command
Department of the Navy, Department of Defense
- Responses due
- Set-aside
- No set-aside
Opportunity facts
- NAICS code
- 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
- Place of performance
- United States
Notice details come from SAM.gov. Updated .
About this opportunity
The Naval Sea Systems Command is seeking contractors to modernize and redesign components of the AEGIS Weapon System (AWS) MK99 Fire Control System (FCS) through the MK99 FCS Mod X program. The procurement focuses on redesigning and prototyping below-deck equipment for new construction AWS-capable ships, specifically the T1348/SPG Radar Transmitter, MK200 Mod 0/1 Director Controller, and MK15 Mod 1 Data Converter Cabinets. The government requires a modular cabinet and system configuration that can fit through ship hatches and passageways while providing readily upgradable electronic systems for future applications. The design must be suitable for operation on Navy ships and surface platforms, at development and tactical sites, and on international ships. The solicitation was posted on August 7, 2025, with multiple updates providing additional documentation and clarifications through September 15, 2025, when the due date was extended from the original September 18, 2025 deadline.
This solicitation does not utilize any set-aside designation and will be open to full and open competition. The contract falls under NAICS code 334511 for Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing, with PSC code 1260 for Fire Control Designating and Indicating Equipment. Performance will take place in the United States, though the systems must be designed for use on both domestic Navy vessels and international ships. The government has provided numerous supporting documents through updates, including white paper templates, business status certification forms, bidder question responses, hatch dimension specifications, and technical review manuals to assist potential contractors in preparing their proposals. The solicitation number N00024-25-R-5345 indicates this is a research and development procurement focused on prototyping and modernization rather than production quantities.
Notice text
9 versions
Update #9 · Latest ·
Update 9/15/2025:
Added Bidders Questions file: N00024-25-R-5345 SoN Questions and Responses_09.15.25.pdf;
Attachment 2 - MK99 Mod X FCS SoN_9.15.25; and
Extended the offer due date
------------------------------------------------------------------------
Update 9/4/2025:
Extend the offer due date.
____________________________________________
Update 8/22/2025
Added Bidders Questions file: N00024-25-R-5345 SoN Questions and Responses_08.22.25; and
Attachment 7 - Hatch dimensions, associated with BQ #21.
____________________________________________
Update 8/21/2025
Added Bidders Questions file: N00024-25-R-5345 SoN Questions and Responses_08.21.25; and
Attachment 6 - WP template_V1 associated with BQ #19.
____________________________________________
Update 8/18/25:
Added Bidders Questions file: N00024-25-R-5345 SoN Questions and Responses_08.14.25_Update to provide clarification to BQ #16 (response highlighted in yellow). No additional change to file; and
Added Attachment 5 - Naval Systems Engineering Directorate, Integrated Warfare Systems Engineering, Technical Review Manual
Version 3.0 in support of Government response to BQ #16.
______________________________________________
Update 8/14/25:
Added Bidders Questions file: N00024-25-R-5345 SoN Questions and Responses_08.14.25
______________________________________________
Update 8/13/25:
Attachment 4 - Affirmination of Business Status Certification
______________________________________________
Update 8/12/25:
Attachment 3 - White Paper template
______________________________________________
MK99 FCS Mod X program seeks to modernize and redesign components of the AEGIS Weapon System (AWS) MK99 Fire Control System (FCS). The requirements include redesign and prototype of the below-deck equipment of the existing MK 99 FCS for new construction AWS capable ships. The below-deck equipment currently consists of:
- T1348/SPG Radar Transmitter,
- MK200 Mod 0/1 Director Controller, and
- MK15 Mod 1 Data Converter Cabinets.
The Government is seeking a design and prototype of a modular cabinet(s) and system configuration that may fit through ship hatches, passageways, and be readily upgradable electronic systems for the future. The design must be suitable for use and operation on Navy ships and surface platforms, at development and tactical sites, and on international ships.
Interested parties are expected to follow instructions in the Statement of Need attachment.
Update #8 ·
Update 9/4/2025:
Extend the offer due date.
____________________________________________
Update 8/22/2025
Added Bidders Questions file: N00024-25-R-5345 SoN Questions and Responses_08.22.25; and
Attachment 7 - Hatch dimensions, associated with BQ #21.
____________________________________________
Update 8/21/2025
Added Bidders Questions file: N00024-25-R-5345 SoN Questions and Responses_08.21.25; and
Attachment 6 - WP template_V1 associated with BQ #19.
____________________________________________
Update 8/18/25:
Added Bidders Questions file: N00024-25-R-5345 SoN Questions and Responses_08.14.25_Update to provide clarification to BQ #16 (response highlighted in yellow). No additional change to file; and
Added Attachment 5 - Naval Systems Engineering Directorate, Integrated Warfare Systems Engineering, Technical Review Manual
Version 3.0 in support of Government response to BQ #16.
______________________________________________
Update 8/14/25:
Added Bidders Questions file: N00024-25-R-5345 SoN Questions and Responses_08.14.25
______________________________________________
Update 8/13/25:
Attachment 4 - Affirmination of Business Status Certification
______________________________________________
Update 8/12/25:
Attachment 3 - White Paper template
______________________________________________
MK99 FCS Mod X program seeks to modernize and redesign components of the AEGIS Weapon System (AWS) MK99 Fire Control System (FCS). The requirements include redesign and prototype of the below-deck equipment of the existing MK 99 FCS for new construction AWS capable ships. The below-deck equipment currently consists of:
- T1348/SPG Radar Transmitter,
- MK200 Mod 0/1 Director Controller, and
- MK15 Mod 1 Data Converter Cabinets.
The Government is seeking a design and prototype of a modular cabinet(s) and system configuration that may fit through ship hatches, passageways, and be readily upgradable electronic systems for the future. The design must be suitable for use and operation on Navy ships and surface platforms, at development and tactical sites, and on international ships.
Interested parties are expected to follow instructions in the Statement of Need attachment.
Update #7 ·
Update 8/22/2025
Added Bidders Questions file: N00024-25-R-5345 SoN Questions and Responses_08.22.25; and
Attachment 7 - Hatch dimensions, associated with BQ #21.
____________________________________________
Update 8/21/2025
Added Bidders Questions file: N00024-25-R-5345 SoN Questions and Responses_08.21.25; and
Attachment 6 - WP template_V1 associated with BQ #19.
____________________________________________
Update 8/18/25:
Added Bidders Questions file: N00024-25-R-5345 SoN Questions and Responses_08.14.25_Update to provide clarification to BQ #16 (response highlighted in yellow). No additional change to file; and
Added Attachment 5 - Naval Systems Engineering Directorate, Integrated Warfare Systems Engineering, Technical Review Manual
Version 3.0 in support of Government response to BQ #16.
______________________________________________
Update 8/14/25:
Added Bidders Questions file: N00024-25-R-5345 SoN Questions and Responses_08.14.25
______________________________________________
Update 8/13/25:
Attachment 4 - Affirmination of Business Status Certification
______________________________________________
Update 8/12/25:
Attachment 3 - White Paper template
______________________________________________
MK99 FCS Mod X program seeks to modernize and redesign components of the AEGIS Weapon System (AWS) MK99 Fire Control System (FCS). The requirements include redesign and prototype of the below-deck equipment of the existing MK 99 FCS for new construction AWS capable ships. The below-deck equipment currently consists of:
- T1348/SPG Radar Transmitter,
- MK200 Mod 0/1 Director Controller, and
- MK15 Mod 1 Data Converter Cabinets.
The Government is seeking a design and prototype of a modular cabinet(s) and system configuration that may fit through ship hatches, passageways, and be readily upgradable electronic systems for the future. The design must be suitable for use and operation on Navy ships and surface platforms, at development and tactical sites, and on international ships.
Interested parties are expected to follow instructions in the Statement of Need attachment.
Update #6 ·
Update 8/21/2025
Added Bidders Questions file: N00024-25-R-5345 SoN Questions and Responses_08.21.25; and
Attachment 6 - WP template_V1 associated with BQ #19.
____________________________________________
Update 8/18/25:
Added Bidders Questions file: N00024-25-R-5345 SoN Questions and Responses_08.14.25_Update to provide clarification to BQ #16 (response highlighted in yellow). No additional change to file; and
Added Attachment 5 - Naval Systems Engineering Directorate, Integrated Warfare Systems Engineering, Technical Review Manual
Version 3.0 in support of Government response to BQ #16.
______________________________________________
Update 8/14/25:
Added Bidders Questions file: N00024-25-R-5345 SoN Questions and Responses_08.14.25
______________________________________________
Update 8/13/25:
Attachment 4 - Affirmination of Business Status Certification
______________________________________________
Update 8/12/25:
Attachment 3 - White Paper template
______________________________________________
MK99 FCS Mod X program seeks to modernize and redesign components of the AEGIS Weapon System (AWS) MK99 Fire Control System (FCS). The requirements include redesign and prototype of the below-deck equipment of the existing MK 99 FCS for new construction AWS capable ships. The below-deck equipment currently consists of:
- T1348/SPG Radar Transmitter,
- MK200 Mod 0/1 Director Controller, and
- MK15 Mod 1 Data Converter Cabinets.
The Government is seeking a design and prototype of a modular cabinet(s) and system configuration that may fit through ship hatches, passageways, and be readily upgradable electronic systems for the future. The design must be suitable for use and operation on Navy ships and surface platforms, at development and tactical sites, and on international ships.
Interested parties are expected to follow instructions in the Statement of Need attachment.
Update #5 ·
Update 8/18/25:
Added Bidders Questions file: N00024-25-R-5345 SoN Questions and Responses_08.14.25_Update to provide clarification to BQ #16 (response highlighted in yellow). No additional change to file; and
Added Attachment 5 - Naval Systems Engineering Directorate, Integrated Warfare Systems Engineering, Technical Review Manual
Version 3.0 in support of Government response to BQ #16.
______________________________________________
Update 8/14/25:
Added Bidders Questions file: N00024-25-R-5345 SoN Questions and Responses_08.14.25
______________________________________________
Update 8/13/25:
Attachment 4 - Affirmination of Business Status Certification
______________________________________________
Update 8/12/25:
Attachment 3 - White Paper template
______________________________________________
MK99 FCS Mod X program seeks to modernize and redesign components of the AEGIS Weapon System (AWS) MK99 Fire Control System (FCS). The requirements include redesign and prototype of the below-deck equipment of the existing MK 99 FCS for new construction AWS capable ships. The below-deck equipment currently consists of:
- T1348/SPG Radar Transmitter,
- MK200 Mod 0/1 Director Controller, and
- MK15 Mod 1 Data Converter Cabinets.
The Government is seeking a design and prototype of a modular cabinet(s) and system configuration that may fit through ship hatches, passageways, and be readily upgradable electronic systems for the future. The design must be suitable for use and operation on Navy ships and surface platforms, at development and tactical sites, and on international ships.
Interested parties are expected to follow instructions in the Statement of Need attachment.
Update #4 ·
Update 8/14/25:
Added Bidders Questions file: N00024-25-R-5345 SoN Questions and Responses_08.14.25
______________________________________________
Update 8/13/25:
Attachment 4 - Affirmination of Business Status Certification
______________________________________________
Update 8/12/25:
Attachment 3 - White Paper template
______________________________________________
MK99 FCS Mod X program seeks to modernize and redesign components of the AEGIS Weapon System (AWS) MK99 Fire Control System (FCS). The requirements include redesign and prototype of the below-deck equipment of the existing MK 99 FCS for new construction AWS capable ships. The below-deck equipment currently consists of:
- T1348/SPG Radar Transmitter,
- MK200 Mod 0/1 Director Controller, and
- MK15 Mod 1 Data Converter Cabinets.
The Government is seeking a design and prototype of a modular cabinet(s) and system configuration that may fit through ship hatches, passageways, and be readily upgradable electronic systems for the future. The design must be suitable for use and operation on Navy ships and surface platforms, at development and tactical sites, and on international ships.
Interested parties are expected to follow instructions in the Statement of Need attachment.
Update #3 ·
Update 8/13/25:
Attachment 4 - Affirmination of Business Status Certification
______________________________________________
Update 8/12/25:
Attachment 3 - White Paper template
______________________________________________
MK99 FCS Mod X program seeks to modernize and redesign components of the AEGIS Weapon System (AWS) MK99 Fire Control System (FCS). The requirements include redesign and prototype of the below-deck equipment of the existing MK 99 FCS for new construction AWS capable ships. The below-deck equipment currently consists of:
- T1348/SPG Radar Transmitter,
- MK200 Mod 0/1 Director Controller, and
- MK15 Mod 1 Data Converter Cabinets.
The Government is seeking a design and prototype of a modular cabinet(s) and system configuration that may fit through ship hatches, passageways, and be readily upgradable electronic systems for the future. The design must be suitable for use and operation on Navy ships and surface platforms, at development and tactical sites, and on international ships.
Interested parties are expected to follow instructions in the Statement of Need attachment.
Update #2 ·
Update 8/12/25:
Attachment 3 - White Paper template
_______________________________________________
MK99 FCS Mod X program seeks to modernize and redesign components of the AEGIS Weapon System (AWS) MK99 Fire Control System (FCS). The requirements include redesign and prototype of the below-deck equipment of the existing MK 99 FCS for new construction AWS capable ships. The below-deck equipment currently consists of:
- T1348/SPG Radar Transmitter,
- MK200 Mod 0/1 Director Controller, and
- MK15 Mod 1 Data Converter Cabinets.
The Government is seeking a design and prototype of a modular cabinet(s) and system configuration that may fit through ship hatches, passageways, and be readily upgradable electronic systems for the future. The design must be suitable for use and operation on Navy ships and surface platforms, at development and tactical sites, and on international ships.
Interested parties are expected to follow instructions in the Statement of Need attachment.
Update #1 ·
MK99 FCS Mod X program seeks to modernize and redesign components of the AEGIS Weapon System (AWS) MK99 Fire Control System (FCS). The requirements include redesign and prototype of the below-deck equipment of the existing MK 99 FCS for new construction AWS capable ships. The below-deck equipment currently consists of:
- T1348/SPG Radar Transmitter,
- MK200 Mod 0/1 Director Controller, and
- MK15 Mod 1 Data Converter Cabinets.
The Government is seeking a design and prototype of a modular cabinet(s) and system configuration that may fit through ship hatches, passageways, and be readily upgradable electronic systems for the future. The design must be suitable for use and operation on Navy ships and surface platforms, at development and tactical sites, and on international ships.
Interested parties are expected to follow instructions in the Statement of Need attachment.
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