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Airlift Efficiency Commercial Solutions Opening (CSO) - Amendment 01

Issued by DEPT OF DEFENSE · DEPT OF THE AIR FORCE · AIR MOBILITY COMMAND · FA4452 763 ESS · via SAM.gov — US federal contract opportunities

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Published
9 Nov 2026
Closes
26 Feb 2028, 20:00 UTC
Reference
FA4452-25-S-C001
Location
IL, United States
Sector
Research, Studies & Evaluation

At a glance

DEPT OF DEFENSE · DEPT OF THE AIR FORCE · AIR MOBILITY COMMAND · FA4452 763 ESS in United States has published a tender in research, studies & evaluation: “Airlift Efficiency Commercial Solutions Opening (CSO) - Amendment 01”. Submissions close on 26 February 2028, 472 days from today. Quote reference FA4452-25-S-C001 in any correspondence with the buyer. FreeTender has recorded 6 notices from this buyer since 2026, 2 of them currently open. There are 80 open research, studies & evaluation notices in United States on FreeTender. Bids are submitted to the buyer through SAM.gov — US federal contract opportunities, not through FreeTender.

Key requirements

Taken from the notice by FreeTender. The tender document on the official portal is binding — check it, and any corrigendum, before you bid.

To bid on SAM.gov (US federal)

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Details

DEPT OF DEFENSE · DEPT OF THE AIR FORCE · AIR MOBILITY COMMAND · FA4452 763 ESS is soliciting Airlift Efficiency Commercial Solutions Opening (CSO) - Amendment 01. Solicitation number FA4452-25-S-C001. Classified under NAICS 541715 — Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology). Product/service code AC33 — DEFENSE SHIPS (ADVANCED). Place of performance: IL, USA. Responses are due by 26 February 2028 20:00 UTC. Posted on SAM.gov, the US federal contract opportunities system; registration is required to bid.

This CSO is for Airlift Efficiency hosted by the 763rd Enterprise Sourcing Squadron for Air Force Operational Energy Office (SAF/IE). Individual Area's of Interest (AOIs) issued against the CSO will be posted under this notice.

02/26/2025: FA4452-25-S-C001 AOI (1) - Blended Wing Body (BWB) and C-17 Propulsion

  • This AOI is issued under the CSO.
  • All details regarding submission and evaluation factors are provided in the attached documents titled "CSO Solicitation" and "AOI (1) - Blended Wing Body and C-17 Propulsion".

This CSO Solicitation is a competitive solicitation that is closed-open until 26 February 2026. Submissions will only be accepted following specific AOI submission due dates and times. The Government reserves the right to extend this CSO beyond the closed date by amendment if the authority is extended.

Context for bidders

We hold 6 notices from DEPT OF DEFENSE · DEPT OF THE AIR FORCE · AIR MOBILITY COMMAND · FA4452 763 ESS, going back to September 2026 — 2 of them still open. They buy mostly in Manufacturing & Supply, Construction & Infrastructure and IT & Telecom. There are 80 open Research, Studies & Evaluation tenders in United States. This one closes in 472 days.

Before you bid on this tender

A quick checklist to help you decide whether to bid and prepare a compliant submission for this research, studies & evaluation opportunity. Always verify the details on the official source.

  • Confirm the exact closing date and time (and time zone) on the official portal — deadlines are strict and can be revised by a corrigendum.
  • Read the full notice and every attached document, including the scope, specifications and any bill of quantities or terms of reference.
  • Check the eligibility criteria — prior similar experience, annual turnover, certifications and registrations — and make sure you qualify before investing effort.
  • Prepare any earnest-money deposit (EMD) or bid security and the required formats early; missing or wrongly-formatted documents are a common cause of rejection.
  • Note how bids must be submitted (online or physical), in what format, and whether a digital signature or portal registration is required.
  • Watch for corrigenda and clarifications right up to the deadline — requirements and dates can change.
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