# SAM #HQCA-2026-A-091

NAVWAR sole-source justification for towed array production, sustainment, and refurbishment

**Buyer:** NAVWAR
**Posted:** October 07, 2026
**Identifier:** HQCA-2026-A-091
**NAICS:** 334511

This Department of the Navy justification notice covers a planned sole-source effort to produce and sustain towed arrays for undersea warfare programs.
- **Notice and buyer:** Justification and Approval from the Naval Information Warfare Systems Command (NAVWAR), supporting PEO Undersea Warfare Systems and the Maritime Surveillance Systems Program Office (PMS 485). This is not a solicitation or an award announcement.
- **Planned contractor and rationale:** The notice identifies Lockheed Martin Rotary and Mission Systems as the planned sole-source contractor. The justification cites its specialized facilities and expertise, and says using another source could cause schedule delays and duplicative costs.
- **Products and support:** Continued production, integration, assembly, testing, and delivery of redacted towed arrays; onboard repair parts; spares through Provisioned Item Orders; and refurbishment of arrays and modules to current Engineering Change Proposals (ECPs).
- **Services:** Engineering and post-delivery support, installation and integration assistance, trade studies, systems analysis, repairs and failure analysis, component development and testing, refurbishment labor and materials, and related travel and materials.
- **Quantities and identifiers:** No quantities or part numbers are disclosed; spares are described as an unpredictable quantity.
- **Period and update:** The effort has a base year plus four option years. Notice 2 added the Justification and Approval PDF; no substantive scope or deadline change is reported.

### Description

<p>Production, integration, assembly, test and delivery of towed arrays and on board repair parts, as well as engineering services for repairs and refurbishment of existing towed arrays.</p>
<br/><br/><br/><strong>Additional Links:</strong><br/><a href='https://toolbox-piee.eb.mil/' target='_blank'>Department of Defense Procurement Toolbox</a><br/><a href='https://piee.eb.mil/sol/xhtml/unauth/search/oppMgmtLink.xhtml?noticeId=HQCA-2026-A-091&noticeType=JustificationAndApproval' target='_blank'>PIEE Solicitation Module Link for HQCA-2026-A-091</a><br/><a href='https://www.acq.osd.mil/asda/dpc/ce/cap/docs/piee/PIEE_Solicitation_Module_Vendor_Access_Instructions.pdf' target='_blank'>Registration Instructions for the PIEE Solicitation Module</a><br/><a href='https://pieetraining.eb.mil/wbt/xhtml/wbt/sol/index.xhtml' target='_blank'>Web Based Training for the PIEE Solicitation Module</a>

[View original listing](https://sam.gov/opp/9692f92d3c224f62a0f193c3c78c15fb/view)