# Market Survey to Support the Shore Submarine Communications Systems (SSCS) - REVISION

Canonical: https://abierto.us/opportunities/n6523625rfpreqlsubp000350001

- Solicitation number: N65236-25-RFPREQ-LSUBP00035-0001
- Notice type: Sources sought
- Status: Closed. Deadline was June 23, 2026 at 4:00 PM EDT
- Department: Department of the Navy
- Agency: Department of the Navy
- Contracting office: NIWC Atlantic (N65236)
- NAICS: 541330 Engineering Services
- City: North Charleston. https://abierto.us/cities/north-charleston-sc-4550875
- First posted: April 22, 2026
- Last posted: June 15, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/330c1515cc1b49e6aafb211db3dfb54f/view

## Description

Market Survey (MS) for Services Procurements -- Large Businesses Need not to apply

This opportunity is for SEAPORT NXG MAC HOLDERS ONLY and no other offers will be considered. SeaPort MAC holders will need to register for PIEE accounts in order to receive solicitations and submit proposals/offers.

?. This Market Survey is issued for the purpose of assessing Small Business capabilities.

See accompanying Draft PWS and attachment for more information The Naval Information Warfare Center (NAVWAR) Naval Information Warfare Center (NIWC) Atlantic (NIWC-Atlantic) is issuing this Market Survey for determining Small Business capabilities and is soliciting information from potential sources to provide engineering analysis and technical support services required to support the Shore Submarine Communications Systems (SSCS) to include SUBOPAUTH and LBUCS Program Support by providing components through system level engineering, Subject Matter Expert (SME) technical and training support for the modernization, sustainment and on-site technical support at NIWC Atlantic Charleston, SC, NIWC Atlantic Portsmouth, and Foreign Military Support (FMS).

## Publications

- April 22, 2026: Sources sought, due May 22, 2026 at 6:25 AM EDT. Notice 3f25d47f1cbd4117980a536454b68f59. https://sam.gov/workspace/contract/opp/3f25d47f1cbd4117980a536454b68f59/view
- May 6, 2026: Special notice, due May 22, 2026 at 5:00 PM EDT. Notice 323220cad77c4dbcb00a523f160247e5. https://sam.gov/workspace/contract/opp/323220cad77c4dbcb00a523f160247e5/view
- June 8, 2026: Sources sought, due June 23, 2026 at 4:00 PM EDT. Notice 26aa910a2cdf4fbd9276f78c47983a9b. https://sam.gov/workspace/contract/opp/26aa910a2cdf4fbd9276f78c47983a9b/view
- June 10, 2026: Sources sought, due June 23, 2026 at 4:00 PM EDT. Notice bbd2e42d4b454a339ed0a29fd6afbeca. https://sam.gov/workspace/contract/opp/bbd2e42d4b454a339ed0a29fd6afbeca/view
- June 15, 2026: Sources sought, due June 23, 2026 at 4:00 PM EDT. Notice 330c1515cc1b49e6aafb211db3dfb54f. https://sam.gov/workspace/contract/opp/330c1515cc1b49e6aafb211db3dfb54f/view

## Points of contact

- Norma REHBEIN-HILL, norma.z.rehbein-hill.civ@us.navy.mil, 7574034621

---
Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/n6523625rfpreqlsubp000350001.