Construction of the Medium Landing Ship (LSM) Block 1

Awarded Limited / Sole Source Justification Posted

A later notice was posted: the Limited / Sole Source Justification from .

Solicitation number
N00024-26-C-2430
Agency
Set-aside
No set-aside

Opportunity facts

Contract number
N00024-26-C-2430 Federal contract award
NAICS code
336611 Ship Building and Repairing
Place of performance
Marinette, Wisconsin, United States

Notice details come from SAM.gov. Updated .

About this opportunity

The Department of the Navy Naval Sea Systems Command issued a Class Justification and Approval authorizing sole-source procurement of up to four Medium Landing Ship (LSM) Block 1 vessels based on the Landing Ship Transport (LST) 100 design, along with associated design artifacts, specifications, data rights, and technical support. The Navy justified the single-source award to Fincantieri Marinette Marine (FMM) under 10 U.S.C. 3204(a)(3) based on the necessity to maintain the industrial base and achieve industrial mobilization, determining that FMM is essential to sustaining a balanced and resilient source of supply for concurrent LSM production given that only three other shipyards have demonstrated interest in the requirement. The contract was awarded to Fincantieri Marinette Marine on April 14, 2026, under contract number N00024-26-C-2430, though the specific award amount and total estimated dollar value for fiscal years 2025-2031 were redacted from the published notice. The Navy intends to issue provisioned item orders for materials and engineering support related to the construction effort and has indicated it will compete all future LSM requirements either directly or through the competitively awarded Vessel Construction Manager contract. The authorization expires on September 30, 2031, and was approved by the Senior Procurement Executive on February 17, 2026.

Notice text

2 versions

Update #2 · Latest ·

See related notice(s): N00024-26-C-2430 and N00024-26-R-2430

See attached redacted Class Justification & Approval per FAR 6.302-1 as required by 10 U.S.C. 3204(a)(3).

Awarded contract N00024-26-C-2430 to unknown vendor for unknown amount on 2026-04-14.

Update #1 ·

See attached redacted Class Justification & Approval per FAR 6.302-1 as required by 10 U.S.C. 3204(a)(3).

Awarded contract N00024-26-C-2430 to unknown vendor for unknown amount on 2026-04-14.

Files

File Type Posted
N00024_22593.pdf PDF

Notice history

Notice Type Posted
LLTM & Advanced Engineering UCA - Construction of four (4) Medium Landing Ships (LSMs) Block 1 Latest Limited / Sole Source Justification
This notice Limited / Sole Source Justification
LLTM & Advanced Engineering UCA - Construction of four (4) Medium Landing Ships (LSMs) Block 1 Award Award Notice

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