Open tender · United States · Public tender
Airlift Efficiency Commercial Solutions Opening (CSO)
FA4452 763 Ess · IL
FA4452 763 Ess in the United States is inviting bids for “Airlift Efficiency Commercial Solutions Opening (CSO)”. Bids close on 26 February 2028, 15:00 EST. Reference: FA4452-25-S-C001. Who can bid: Prime participation is limited to US companies; foreign participation at prime level is prohibited; Offerors must be registered in SAM.gov to receive an award. askTender lists every requirement to qualify and checks whether your company meets them.
The tender in brief
US Air Force seeks dual-use turbofan engine concepts for military and commercial aircraft
The Air Force Operational Energy Office is seeking concepts for a dual-use turbofan engine rated at 35,000-50,000-lbs thrust for military and commercial aircraft, including the C-17 and blended wing body platforms. The two-step Commercial Solutions Opening first requires a solution brief, then a detailed approach for selected companies. The contract type is firm-fixed-price or an Other Transaction for Prototype Project.
Who can win it
- Prime participation is limited to US companies; foreign participation at prime level is prohibited
- Offerors must be registered in SAM.gov to receive an award
Key facts
- Procedure
- Combined Synopsis/Solicitation
- How bids are judged
- Solution briefs evaluated on technical, importance to agency, and price (equal weight); selectable briefs advance to Step Two, where detailed approaches are evaluated on the same factors and categorized as acceptable or not acceptable.
- Published
- 08 Jan 2026
- Reference
- FA4452-25-S-C001
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Everything else is in your askTender account
The requirements to qualify, the eligibility check and the bid documents for this tender are in your askTender account.
- What it takes to qualify: every requirement, in the tender’s own words
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- The documents to file: a checklist, with draft declarations ready to sign
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- The tender documents, ready to open
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Public data: SAM.gov Contract Opportunities (U.S. General Services Administration). · Sources & licences