AEGIS Weapon System (AWS) MK99 Fire Control System (FCS) Mod X

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.

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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.

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Update 8/14/25:

Added Bidders Questions file: N00024-25-R-5345 SoN Questions and Responses_08.14.25

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Update 8/13/25:

Attachment 4 - Affirmination of Business Status Certification

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Update 8/12/25:

Attachment 3 - White Paper template

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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:

1. T1348/SPG Radar Transmitter,


2. MK200 Mod 0/1 Director Controller, and


3. 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.