Opportunity

SAM #N00019-22-RFPREQ-JSF000-0869

Sole Source Award for F-35 Lightning II Block 4 and Block 5 Upgrades

Buyer

Naval Air Systems Command

Posted

June 30, 2026

Identifier

N00019-22-RFPREQ-JSF000-0869

NAICS

541330, 336411, 336414

This opportunity involves a major sole source contract award for F-35 Lightning II Block 4 and Block 5 upgrades, supporting U.S. and international defense stakeholders. - Government Buyer: - Department of Defense - Naval Air Systems Command (NAVAIR) – F-35 Joint Program Office (JPO) - OEM Highlighted: - Lockheed Martin Aeronautics Company is the exclusive OEM and sole source for this effort - Scope of Work: - Developmental efforts for F-35 Lightning II Block 4 and Block 5 upgrades - Includes systems engineering, hardware and software development, integration, and testing - Support for USAF, USN, USMC, international partners, and Foreign Military Sales (FMS) customers - Comprehensive test and evaluation, including laboratory and flight test instrumentation - Estimated Contract Value: - $14.444 billion (FY25–FY35) - Unique Requirements: - Sole source justification based on Lockheed Martin’s exclusive design and integration authority for the F-35 - Long-term, multi-year development and integration effort - No other OEMs or vendors are mentioned

Description

The Naval Air Systems Command (NAVAIR), Naval Air Station Patuxent River, MD, has awarded definitization modification P00134 on contract N00019-19-C-0010 to Lockheed Martin Corp., Lockheed Martin Aeronautics Co., Fort Worth, Texas, on a sole source basis for an effort to provide the continued development of critical F-35 warfighting development and integration of three unique United Kingdom (UK) / Italian critical weapons capabilities through System Functional Review to Development Test Complete in addition to mission critical data scope for the U.S Air Force, U.S. Navy, U.S. Marine Corps, and F-35 Cooperative Program Partners.

As the sole designer, developer, manufacturer, and integrator of the F-35, Lockheed Martin Aeronautics Co. is the only source that possesses the engineering data, technical skills, and requisite knowledge of the design, fabrication, performance, and operational characteristics of the F-35 required to perform the necessary efforts within the required timeframes and without substantial duplication of costs. No other source has the technical qualifications and necessary resources to perform the work described herein, nor will any other supplies or services satisfy the Government's requirements.

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