# Radio Frequency (RF) Free Initialization of Positioning, Navigation, and Timing (PNT) Systems

Canonical: https://abierto.us/opportunities/w56kgu26r1001

- Solicitation number: W56KGU26R1001
- Notice type: Sources sought
- Status: Closed. Deadline was February 6, 2026 at 3:00 PM EST
- Department: Department of the Army
- Agency: Department of the Army
- Contracting office: W6QK ACC-APG (W56KGU)
- NAICS: 54171 Research and Development in the Physical, Engineering, and Life Sciences
- Product or service code: AJ11 General Science And Technology R&D Services; General Science And Technology; Basic Research
- Place of performance: Aberdeen Proving Ground, Maryland
- County: Harford County (FIPS 24025). https://abierto.us/counties/harford-county-md-24025
- City: Aberdeen Proving Ground. https://abierto.us/cities/aberdeen-proving-ground-md-2400175
- First posted: December 22, 2025
- Last posted: December 22, 2025
- SAM.gov: https://sam.gov/workspace/contract/opp/22fefed93dba4599958aad0794cc509c/view

## Description

The US Army, Combat Capabilities Development Command (DEVCOM), C5ISR Center is seeking information on radio frequency (RF) free PNT initialization solutions to increase assured PNT capability in degraded and denied environments. Additional background and technical details for this RFI will be provided at the controlled unclassified information (CUI) level upon request.

**Technical Information:** For further details on this RFI, please contact usarmy.apg.devcom-c5isr.mbx.rti-industry-engagement@army.mil to request the CUI addendum. Reference the CUI release for additional technical information. Please see attachments for further details.

## Publications

- December 22, 2025: Sources sought, due February 6, 2026 at 3:00 PM EST. Notice 22fefed93dba4599958aad0794cc509c. https://sam.gov/workspace/contract/opp/22fefed93dba4599958aad0794cc509c/view

## Points of contact

- C5ISR Center Strategic Engagements Team - UNCLASSIFIED, usarmy.apg.devcom-c5isr.mbx.rti-industry-engagement@army.mil
- Brianne Holmes, Brianne.l.holmes3.civ@army.mil

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/w56kgu26r1001.