LLTM & Advanced Engineering UCA - Construction of four (4) Medium Landing Ships (LSMs) Block 1

SOL #: N00024-26-R-2430Justification

Overview

Buyer

Dept Of Defense
Dept Of The Navy
NAVSEA HQ
WASHINGTON NAVY YARD, DC, 20376-5000, United States

Place of Performance

Marinette, WI

NAICS

Ship Building and Repairing (336611)

PSC

Combat Ships And Landing Vessels (1905)

Set Aside

No set aside specified

Timeline

1
Posted
Apr 15, 2026

Qualification Details

Fit reasons
  • NAICS alignment with historical contract wins in similar service areas.
  • Scope strongly matches core technical capabilities and delivery model.
Risks
  • Past performance thresholds may require one additional teaming partner.
  • Potential clarification needed on staffing minimums before bid/no-bid.
Next steps

Validate eligibility requirements, assign capture owner, and schedule partner outreach to confirm teaming strategy before submission planning.

Quick Summary

The Department of the Navy (NAVSEA HQ) has published a Class Justification and Approval (CJ&A) for the procurement of Long Lead Time Material (LLTM) and advanced engineering for the construction of four (4) Medium Landing Ships (LSMs) Block 1. This CJ&A authorizes the use of other than full and open competition for specific brand name or equal equipment, supporting sole source solicitations to Bollinger Shipyards, L.L.C. and Marinette Marine Corporation for LLTM, and a competitive solicitation to Vessel Construction Managers (VCM) for the LSM Block 1 Ships.

Scope of Work

This CJ&A specifically covers the procurement of essential brand name or equal equipment to maximize fleet-wide commonality across the LSM class. The goal is to reduce costs, avoid delays, ensure interoperability, and simplify logistics and supply chains. Key equipment includes:

  • Main Propulsion Engines: Caterpillar 3516C or equal
  • Main Reduction Gears: Reintjes WAF/LAF 873 or equal
  • GENSETS: Caterpillar C18 or equal The government has determined that this specified equipment is essential and no other will satisfy the requirements.

Contract & Timeline

  • Type: Class Justification and Approval (CJ&A) per FAR 6.302-1
  • Authority Expiration: September 30, 2031
  • Published: April 15, 2026
  • Set-Aside: None specified (Justification for other than full and open competition)
  • Place of Performance: Marinette, WI, United States

Additional Notes

This redacted CJ&A is intended to function as a market survey for subcontracting opportunities. Efforts have been made to solicit offers from as many offerors as practicable. Interested parties should monitor related notice N00024-26-C-2430 for further details on the competitive solicitation for Vessel Construction Managers.

People

Points of Contact

Nicholas BoylesPRIMARY
Brian BlasserSECONDARY

Files

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Justification
Posted: Apr 15, 2026
LLTM & Advanced Engineering UCA - Construction of four (4) Medium Landing Ships (LSMs) Block 1 | GovScope