Boeing Receives US$131.23 Billion F-15 Eagle Crest Contract

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The U.S. Department of War announced in a press release yesterday that the Pentagon has awarded Boeing a contract valued at up to US$131.23 billion to support the U.S. Air Force F-15 fleet and those operated by allied nations. Under the F-15 Eagle Crest programme, the agreement covers aircraft manufacture, systems integration, modernisation, upgrades and sustainment work for F-15 fighters.

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Contract to maintain and modernise the F-15 fleet

The agreement is structured as an indefinite-delivery, indefinite-quantity (IDIQ) contract. Official documents state that it encompasses aircraft production, systems integration, modernisation, upgrades, modifications and sustainment activities. It additionally calls for organic depot-level maintenance capabilities to be established in order to retain critical F-15 weapon-system capabilities.

The work will serve the U.S. Air Force, the Air National Guard and other Department of War customers. Its contractual purpose is to deliver and sustain the F-15 weapon-system capabilities needed for their operations. Activities will take place in St. Louis, Missouri, with completion anticipated by August 2037.

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Orders may be placed until 24 August 2031, while the agreement includes an option to extend that period to 24 August 2036. Awarded on a sole-source basis, the contract is administered by the office in charge of the F-15 programme.

The deal further provides Foreign Military Sales (FMS) support for Japan, Israel, Saudi Arabia, South Korea, Singapore, Indonesia and Poland. It therefore goes beyond sustaining the U.S. F-15 fleet, creating a contractual mechanism to meet the needs of overseas operators of the aircraft as well.

F-15EX takes on a larger role within the U.S. Air Force

The award coincides with Washington weighing an expansion of its F-15EX Eagle II fleet. Pentagon budget data for fiscal year 2027 indicates that the U.S. Air Force could procure 267 aircraft of this type. This total is above the previously planned 129 aircraft, marking a substantial change to the service’s procurement plans.

For fiscal year 2027, the U.S. Air Force sought funding to purchase 24 F-15EX fighters. That acquisition is progressing alongside other initiatives intended to modernise and expand U.S. airpower. The aircraft is designed to complement fifth-generation platforms and replace a portion of the Air Force’s ageing fighter inventory.

Meanwhile, the U.S. Congress is examining ways to enable multiyear procurement for systems including the F-15EX and F-35 Lightning II. A measure in the draft Fiscal Year 2027 National Defense Authorization Act (NDAA) would permit contracts of up to five years. The Congressional Research Service estimates that this approach could deliver savings of between 5% and 15% compared with yearly procurement.

The F-15EX and its overseas opportunities

Poland is also included among the prospective foreign customers covered by the new contract through Foreign Military Sales. Boeing had previously stated its intention, in 2023, to offer the F-15EX to Warsaw as the country continued its wider Armed Forces modernisation effort.

Over recent years, Poland has pursued the acquisition of new combat aircraft, main battle tanks, artillery systems and other military equipment. These purchases include the F-35, FA-50, M1A2 Abrams, K2 and HOMAR-K multiple rocket launcher systems. Poland’s inclusion in the F-15 Eagle Crest contract broadens the potential reach of Boeing’s agreement beyond the U.S. fleet.

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