PROP_DEVELOPMENT_F135 Block 4 FTS - FY27 Follow-On
Past Recompete Updated
- Agency
-
Naval Air Systems Command HQ
Naval Air Systems Command, Department of Defense
- Solicitation expected
- Estimated value
- $50,000,000 to $100,000,000
- Set-aside
- No set-aside
Forecast facts
- Incumbent contract
-
- N0001919C0007 Federal contract award held by RTX Corporation Ends Dec 31, 2026 · Value with all options $342,288,727
- Anticipated award
- Through
- Acquisition strategy
- Follow-on to Existing Contract
- NAICS code
- 336412 Aircraft Engine and Engine Parts Manufacturing
- Forecast number
- N00019-26-RFPREQ-JSFPR-0078
Forecast details come from the Navy's Long Range Acquisition Estimates. Agencies' dates and values are estimates.
About this forecast
Naval Air Systems Command is conducting a recompete for F135 Block 4 Flight Test Support, with estimated solicitation release in July 2026 and award targeted for January 2027. The contractor will support the Air System Contractor and Government through Block 4 developmental flight testing of the F-35 Lightning II propulsion system. The contract is expected to be awarded as a sole-source, cost-reimbursement definitive contract without set-asides.
The estimated award value ranges from $50 million to $100 million with a 60-month period of performance. Work will be performed at the contractor's facilities, and all personnel must hold Secret clearances. This procurement falls under NAICS 336412 (Aircraft Engine and Engine Parts Manufacturing) and will be administered by Naval Air Systems Command Headquarters (contracting office N00019 - HQ).
The recompeted award is Contract N0001919C0007, originally awarded to RTX Corporation (Pratt & Whitney division) on October 16, 2018, with a ceiling value of $342.3 million under cost-plus-incentive pricing. The current contract, which supports F-35 Block 4 propulsion development flight test activities, is scheduled to complete December 31, 2026. Subcontractors on the existing award include Cyient Inc., Rolls-Royce Corporation, Howmet Aerospace Inc., DuPont Specialty Products USA LLC, and Advanced Theodolite Technology Inc.
Forecast text
Under the F135 Block 4 Flight Test Support program, the Contractor shall support the Air System Contractor (ASC) and the Government through Block 4 developmental flight testing.
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