# BIG BLUE 3 MAC (N6449821D0013 - N6449821D0023)DDG BACKFIT MODERNIZATION TECH REFRESH INSTALLATION

Canonical: https://abierto.us/opportunities/n6449826q5233

- Solicitation number: N6449826Q5233
- Notice type: Solicitation
- Status: Open. Offers due September 29, 2026 at 5:00 PM EDT
- Department: Department of the Navy
- Agency: Department of the Navy
- Contracting office: NSWC Philadelphia Div (N64498)
- NAICS: 336611 Ship Building and Repairing
- Product or service code: R425 Engineering and Technical Services
- First posted: August 12, 2026
- Last posted: September 2, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/690cdb58b2f745488e398761d060df49/view

## Description

BIG BLUE 3 MAC (N6449821D0013 - N6449821D0023) , In support of the U.S. Navys DDG Back Fit Modernization (DDGM BF) Program requires alterations to be completed onboard USS MILIUS (DDG 69), USS GONZALES (DDG 66), USS PAUL HAMILTON (DDG 60), USS MCFAUL (DDG 74), USS STETHEM (DDG 63) and USS JOHN S MCCAIN (DDG 56).

## Publications

- August 12, 2026: Solicitation, due September 15, 2026 at 5:00 PM EDT. Notice 4db1b66e92904b64bc884dc50e5e60f2. https://sam.gov/workspace/contract/opp/4db1b66e92904b64bc884dc50e5e60f2/view
- September 2, 2026: Solicitation, due September 29, 2026 at 5:00 PM EDT. Notice 690cdb58b2f745488e398761d060df49. https://sam.gov/workspace/contract/opp/690cdb58b2f745488e398761d060df49/view

## Points of contact

- Chelsea Hovern, chelsea.j.hovern.civ@us.navy.mil, 2673154628

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/n6449826q5233.