Amendment #3: Common Very Low Frequency Receiver (VLF) Increment 2 (CVRi2) Modernization

Notice ID:FA8735-26-R-B001

This opportunity seeks proposals for the design and modernization of a common Very Low Frequency receiver system for airborne and ground-based NC3 platforms, requiring a production-ready, NSA-certified, and Open Mission Systems-capable solution. Award eligibility is strictly limited to AFLCMC/XA IDIQ Category 2 contract awardees. The government intends to award one or two Delivery Orders based on best value and funding availability. The proposal deadline has been extended to 8 July at Noon Eastern Time. No specific budget amount or performance location is specified.

Department/Ind.Agency Subtier Office
DEPT OF DEFENSE DEPT OF THE AIR FORCE FA8735 AFNWC HCK NC3
  PSC   5821 RADIO & TV EQ AIRBORNE
LOCATION: Not Given
Primary Contact
Timothy Coit
Not Given
Alt Contact
Sarah Dumoulin-Minguet
Not Given

Links (0)

Attachments (39)

Document
Size
Access
Updated
CVRi2 FOPR Amendment 3.pdf
1.05 MB
Controlled
May 28, 2026
Responses to Questions from Industry.xlsx
16.17 KB
Controlled
May 28, 2026
CVRi2 SOW Amendment 3.pdf
1.59 MB
Controlled
May 28, 2026
Solicitation - FA873526RB001.pdf
735.5 KB
Controlled
May 28, 2026
EHF and VLF LF HAC Systems Equipment Rack to LCC Mech_Elec Cooling Interface Control Doc_ICD_D25_92852-RevC.pdf
179.27 KB
Controlled
May 28, 2026
Timing Standard Module Interface Control Document_ESD_84_ICD_1397-RevP.pdf
12.4 MB
Controlled
May 28, 2026
Timing Applique Module Card Design Requirements Specification_DSGxxxxxx_1-RevC.pdf
3.07 MB
Controlled
May 28, 2026
HAC RMPE to VLF LF Terminal Interface Control Document_ICD_D25_92854-RevE.pdf
692.74 KB
Controlled
May 28, 2026
MMP EHF Terminal to MMP VLF LF Terminal System Interface Drawing_DG771061-Rev.pdf
121.99 KB
Controlled
May 28, 2026
MMP-VT Rubidium Frequency Standard Requirements_G772295-2.pdf
95.1 KB
Controlled
May 28, 2026
CVRi2 FOPR Amendment 2.pdf (deleted)
1.06 MB
Controlled
May 19, 2026
Interface Control Document_ICD_ for the KGV-363 End Cryptographic Unit_ECU.pdf
2.89 MB
Controlled
May 21, 2026
Tri-Service Memo Modular Open Systems Approach for Department of Defense Weapon Systems 17 Dec 2024.pdf
127.87 KB
Controlled
May 19, 2026
SAF AQR Memo_Use of Open Mission Systems Universal Command and Control Interface_9 Oct 2018.pdf
78.68 KB
Controlled
May 19, 2026
Universal Command and Control Interface Standards and Schema.zip
6.46 MB
Controlled
May 19, 2026
Open Mission Systems v2.4 Documentation.zip
43.78 MB
Controlled
May 19, 2026
CVRi2 Government Reference Architecture_GRA_ v1.0 - For reference only_this shows Government-owned interface.zip
326.75 KB
Controlled
May 19, 2026
CVRi2 Open Mission System_OMS_Government Reference Model_GRM_ v1.1 - For reference only; notional OMS uses.zip
9.07 MB
Controlled
May 19, 2026
CVR Solution Space Instruction Manual.pdf
3.9 MB
Controlled
May 19, 2026
NSA Cybersecurity Services for NC3 DIB Partners.pdf
502.14 KB
Controlled
May 19, 2026
NSA SERD CDRLs - KGR-73.pdf
654.94 KB
Controlled
May 19, 2026
NSA Certification Data Requirements Description - KGR-73.pdf
1.4 MB
Controlled
May 19, 2026
High Assurance Encryption Device Development Environment Security Requirements v3.pdf
2.73 MB
Controlled
May 19, 2026
CVRi1 Interface Control Specification.docx
3.71 MB
Controlled
May 19, 2026
Waveform Specification for the Minimum Essential Emergency Communications Network_MEECN_Mode 15_MM15_DRAFT.pdf
1.26 MB
Controlled
May 19, 2026
DD2794 CVRi2 Development Cost Software Data Reporting.xlsx
113.14 KB
Controlled
May 19, 2026
MIL-STD-3023A DoD Interface Standard HEMP Protection for Military Aircraft.pdf
4.13 MB
Controlled
May 19, 2026
General Specification for Electromagnetic Effects Design Protection.pdf
2.92 MB
Controlled
May 19, 2026
General Specification for Electromagnetic Effects LRU_Subsystem Design Protection.pdf
4.48 MB
Controlled
May 19, 2026
USAF Cyber Resiliency Office for Weapon Systems System Security Engineering Guide V6_May-2024_Distro-C.pdf
5.69 MB
Controlled
May 19, 2026
MIL-STD-188-125-1A Notice 1.pdf
178.69 KB
Controlled
May 19, 2026
MIL-STD-188-125-2.pdf
3.68 KB
Controlled
May 19, 2026
CVRi2 SOW.pdf (deleted)
1.44 MB
Controlled
Apr 15, 2026
Exhibit A - CDRL.pdf
4.65 MB
Controlled
Apr 13, 2026
Solicitation - FA873526RB001.pdf (deleted)
435.53 KB
Controlled
Apr 13, 2026
CVRi2 Schedule and Performance Incentive Plan.pdf
350.69 KB
Controlled
Apr 13, 2026
(CUI) CVRi2_IMP.xlsx
40.7 KB
Controlled
Apr 15, 2026
CVRi2 Price Workbook Template FINAL.xlsx
223.38 KB
Controlled
Apr 13, 2026
DD2794_CVRi2_Development CSDR.xlsx
112.16 KB
Controlled
Apr 13, 2026


Data sourced from SAM.gov. View Official Posting »

Amendment #2: Common Very Low Frequency Receiver (VLF) Increment 2 (CVRi2) Modernization

Notice ID:FA8735-26-R-B001

This opportunity seeks proposals for the design of a common, advanced Very Low Frequency receiver system to modernize legacy NC3 airborne and ground-based systems. The objective is rapid development of a production-ready receiver with ancillary support equipment, with the government intending to award one or two Delivery Orders. Award eligibility is strictly limited to AFLCMC/XA IDIQ Category 2 contract awardees. The proposal deadline was extended to 8 July at Noon Eastern Time, and the location for performance is not specified. No budget amounts are mentioned in the description.

Department/Ind.Agency Subtier Office
DEPT OF DEFENSE DEPT OF THE AIR FORCE FA8735 AFNWC HCK NC3
  PSC   5821 RADIO & TV EQ AIRBORNE
LOCATION: Not Given
Primary Contact
Timothy Coit
Not Given
Alt Contact
Sarah Dumoulin-Minguet
Not Given

Links (0)

Attachments (30)

Document
Size
Access
Updated
CVRi2 FOPR Amendment 2.pdf
1.06 MB
Controlled
May 19, 2026
Interface Control Document_ICD_ for the KGV-363 End Cryptographic Unit_ECU.pdf
2.89 MB
Controlled
May 21, 2026
Tri-Service Memo Modular Open Systems Approach for Department of Defense Weapon Systems 17 Dec 2024.pdf
127.87 KB
Controlled
May 19, 2026
SAF AQR Memo_Use of Open Mission Systems Universal Command and Control Interface_9 Oct 2018.pdf
78.68 KB
Controlled
May 19, 2026
Universal Command and Control Interface Standards and Schema.zip
6.46 MB
Controlled
May 19, 2026
Open Mission Systems v2.4 Documentation.zip
43.78 MB
Controlled
May 19, 2026
CVRi2 Government Reference Architecture_GRA_ v1.0 - For reference only_this shows Government-owned interface.zip
326.75 KB
Controlled
May 19, 2026
CVRi2 Open Mission System_OMS_Government Reference Model_GRM_ v1.1 - For reference only; notional OMS uses.zip
9.07 MB
Controlled
May 19, 2026
Interface Control Document (ICD) for the KGV-363 End Cryptographic Unit (ECU).pdf (deleted)
2.72 MB
Controlled
May 19, 2026
CVR Solution Space Instruction Manual.pdf
3.9 MB
Controlled
May 19, 2026
NSA Cybersecurity Services for NC3 DIB Partners.pdf
502.14 KB
Controlled
May 19, 2026
NSA SERD CDRLs - KGR-73.pdf
654.94 KB
Controlled
May 19, 2026
NSA Certification Data Requirements Description - KGR-73.pdf
1.4 MB
Controlled
May 19, 2026
High Assurance Encryption Device Development Environment Security Requirements v3.pdf
2.73 MB
Controlled
May 19, 2026
CVRi1 Interface Control Specification.docx
3.71 MB
Controlled
May 19, 2026
Waveform Specification for the Minimum Essential Emergency Communications Network_MEECN_Mode 15_MM15_DRAFT.pdf
1.26 MB
Controlled
May 19, 2026
DD2794 CVRi2 Development Cost Software Data Reporting.xlsx
113.14 KB
Controlled
May 19, 2026
MIL-STD-3023A DoD Interface Standard HEMP Protection for Military Aircraft.pdf
4.13 MB
Controlled
May 19, 2026
General Specification for Electromagnetic Effects Design Protection.pdf
2.92 MB
Controlled
May 19, 2026
General Specification for Electromagnetic Effects LRU_Subsystem Design Protection.pdf
4.48 MB
Controlled
May 19, 2026
USAF Cyber Resiliency Office for Weapon Systems System Security Engineering Guide V6_May-2024_Distro-C.pdf
5.69 MB
Controlled
May 19, 2026
MIL-STD-188-125-1A Notice 1.pdf
178.69 KB
Controlled
May 19, 2026
MIL-STD-188-125-2.pdf
3.68 KB
Controlled
May 19, 2026
CVRi2 SOW.pdf
1.44 MB
Controlled
Apr 15, 2026
Exhibit A - CDRL.pdf
4.65 MB
Controlled
Apr 13, 2026
Solicitation - FA873526RB001.pdf
435.53 KB
Controlled
Apr 13, 2026
CVRi2 Schedule and Performance Incentive Plan.pdf
350.69 KB
Controlled
Apr 13, 2026
(CUI) CVRi2_IMP.xlsx
40.7 KB
Controlled
Apr 15, 2026
CVRi2 Price Workbook Template FINAL.xlsx
223.38 KB
Controlled
Apr 13, 2026
DD2794_CVRi2_Development CSDR.xlsx
112.16 KB
Controlled
Apr 13, 2026


Data sourced from SAM.gov. View Official Posting »

Amendment #2: Common Very Low Frequency Receiver (VLF) Increment 2 (CVRi2) Modernization

Notice ID:FA8735-26-R-B001

The government is soliciting proposals for the design of a common, advanced Very Low Frequency receiver system to modernize legacy airborne and ground-based VLF systems, with the objective of rapid development of a production-ready receiver and ancillary support equipment. Award eligibility is strictly limited to AFLCMC/XA IDIQ Category 2 contract awardees, and the government intends to award one or two Delivery Orders based on best value and funding availability. The solicitation package contains Controlled Unclassified Information, and access requires Joint Certification Program certification, with CAGE code and location details due by 20 April 2026 at 4:00 PM Eastern Time. No budget amount is specified in the description. The location for performance of services is not specified.

Department/Ind.Agency Subtier Office
DEPT OF DEFENSE DEPT OF THE AIR FORCE FA8735 AFNWC HCK NC3
  PSC   5821 RADIO & TV EQ AIRBORNE
LOCATION: Not Given
Primary Contact
Timothy Coit
Not Given
Alt Contact
Sarah Dumoulin-Minguet
Not Given

Links (0)

Attachments (30)

Document
Size
Access
Updated
CVRi2 FOPR Amendment 2.pdf
1.06 MB
Controlled
May 19, 2026
Tri-Service Memo Modular Open Systems Approach for Department of Defense Weapon Systems 17 Dec 2024.pdf
127.87 KB
Controlled
May 19, 2026
SAF AQR Memo_Use of Open Mission Systems Universal Command and Control Interface_9 Oct 2018.pdf
78.68 KB
Controlled
May 19, 2026
Universal Command and Control Interface Standards and Schema.zip
6.46 MB
Controlled
May 19, 2026
Open Mission Systems v2.4 Documentation.zip
43.78 MB
Controlled
May 19, 2026
CVRi2 Government Reference Architecture_GRA_ v1.0 - For reference only_this shows Government-owned interface.zip
326.75 KB
Controlled
May 19, 2026
CVRi2 Open Mission System_OMS_Government Reference Model_GRM_ v1.1 - For reference only; notional OMS uses.zip
9.07 MB
Controlled
May 19, 2026
Interface Control Document (ICD) for the KGV-363 End Cryptographic Unit (ECU).pdf
2.72 MB
Controlled
May 19, 2026
CVR Solution Space Instruction Manual.pdf
3.9 MB
Controlled
May 19, 2026
NSA Cybersecurity Services for NC3 DIB Partners.pdf
502.14 KB
Controlled
May 19, 2026
CVRi2 FOPR Amendment 1.pdf (deleted)
1.05 MB
Controlled
May 4, 2026
NSA SERD CDRLs - KGR-73.pdf
654.94 KB
Controlled
May 19, 2026
NSA Certification Data Requirements Description - KGR-73.pdf
1.4 MB
Controlled
May 19, 2026
High Assurance Encryption Device Development Environment Security Requirements v3.pdf
2.73 MB
Controlled
May 19, 2026
CVRi1 Interface Control Specification.docx
3.71 MB
Controlled
May 19, 2026
Waveform Specification for the Minimum Essential Emergency Communications Network_MEECN_Mode 15_MM15_DRAFT.pdf
1.26 MB
Controlled
May 19, 2026
DD2794 CVRi2 Development Cost Software Data Reporting.xlsx
113.14 KB
Controlled
May 19, 2026
MIL-STD-3023A DoD Interface Standard HEMP Protection for Military Aircraft.pdf
4.13 MB
Controlled
May 19, 2026
General Specification for Electromagnetic Effects Design Protection.pdf
2.92 MB
Controlled
May 19, 2026
General Specification for Electromagnetic Effects LRU_Subsystem Design Protection.pdf
4.48 MB
Controlled
May 19, 2026
USAF Cyber Resiliency Office for Weapon Systems System Security Engineering Guide V6_May-2024_Distro-C.pdf
5.69 MB
Controlled
May 19, 2026
MIL-STD-188-125-1A Notice 1.pdf
178.69 KB
Controlled
May 19, 2026
MIL-STD-188-125-2.pdf
3.68 KB
Controlled
May 19, 2026
CVRi2 SOW.pdf
1.44 MB
Controlled
Apr 15, 2026
Exhibit A - CDRL.pdf
4.65 MB
Controlled
Apr 13, 2026
Solicitation - FA873526RB001.pdf
435.53 KB
Controlled
Apr 13, 2026
CVRi2 Schedule and Performance Incentive Plan.pdf
350.69 KB
Controlled
Apr 13, 2026
(CUI) CVRi2_IMP.xlsx
40.7 KB
Controlled
Apr 15, 2026
CVRi2 Price Workbook Template FINAL.xlsx
223.38 KB
Controlled
Apr 13, 2026
DD2794_CVRi2_Development CSDR.xlsx
112.16 KB
Controlled
Apr 13, 2026


Data sourced from SAM.gov. View Official Posting »

Amendment #1: Common Very Low Frequency Receiver (VLF) Increment 2 (CVRi2) Modernization

Notice ID:FA8735-26-R-B001

This opportunity seeks proposals for the rapid development of a production-ready, common advanced Very Low Frequency receiver system to modernize legacy airborne and ground-based NC3 platforms. Eligibility for award is strictly limited to AFLCMC/XA IDIQ Category 2 contract awardees. The government intends to award one or two Delivery Orders based on best value and funding availability. Offerors must provide their CAGE Code and identify all classified access locations to the Contracting Officer by 20 April 2026 at 4:00 PM Eastern Time. No specific budget amount or performance location is specified in the description.

Common Very Low Frequency (VLF) Increment 2 (CVRi2) Modernization

Notice ID:FA8735-26-R-B001

The U.S. Air Force is soliciting proposals for the design and rapid development of a modern, production-ready common Very Low Frequency receiver system to upgrade legacy and future platforms. The program aims to award one or two delivery orders based on best value and funding availability. All offerors must be pre-qualified awardees under a specific existing IDIQ contract to be eligible. Access to the full solicitation package is restricted as Controlled Unclassified Information, requiring certification. Offerors must provide their CAGE code and identify locations for handling classified information by 20 April 2026 at 4:00 PM Eastern Time.

Common Very Low Frequency (VLF) Increment 2 (CVRi2) Modernization

Notice ID:FA8735-26-R-B001

The U.S. Air Force is soliciting proposals for the design and rapid development of a modern, production-ready common Very Low Frequency receiver system to upgrade legacy and future platforms. The program aims to award one or two delivery orders based on best value and funding availability. All offerors must be pre-qualified awardees under a specific existing IDIQ contract to be eligible. Access to the full solicitation package is restricted as Controlled Unclassified Information, requiring certification. Offerors must provide their CAGE code and identify locations for handling classified information by 20 April 2026.

Common Very Low Frequency (VLF) Increment 2 (CVRi2) Modernization

Notice ID:FA8735-26-R-B001

The U.S. Air Force is soliciting proposals for the design and rapid development of a modern, common VLF receiver system to upgrade legacy and future platforms. The program aims to deliver a production-ready receiver that is Crypto Modernization-2 compliant, NSA certified, and compatible with Open Mission Systems. The government intends to award one or two delivery orders based on best value and available funding. Eligible offerors must already be awardees under Category 2 of the specific AFLCMC/XA IDIQ contract referenced. Access to the full solicitation is restricted, and offerors must provide their CAGE code and classified work locations by 20 April 2026.