01 / Federal Opportunity Brief
F138-100 engine sustainment
02 / Federal Buyer
Who is buying?
03 / Purchase
What is the government buying?
F138-100 engine sustainment
The current notice is soliciting this requirement from eligible offerors.
The notice asks interested parties to demonstrate capability to perform some or all functions including material-management functions, engine maintenance, and subcontractor component-support services. It also names specific anticipated activities/deliverables such as support product quality deficiency reports.
The notice states the current F138-100 Engine Sustainment contract is an indefinite delivery, indefinite-quantity (IDIQ) service contract; it does not confirm the structure for the future follow-on requirement.
Work assignment method (e.g., delivery orders vs. task orders) is not described for either the current contract or any future follow-on requirement.
04 / Contracting Requirements
How will this procurement work?
| Requirement | What the notice says | Source status |
|---|---|---|
| Eligibility | The notice includes business size and socioeconomic status considerations for NAICS 336412, listing several small-business categories (e.g., small business, SDVOSB, HUBZone, 8(a), etc.). It also asks small businesses to describe their planned approach for limitations on subcontracting if competing as a prime under a potential small-business set-aside. | Partially Confirmed |
| Contract ceiling | Not disclosed | Not Disclosed |
| Minimum guarantee | Not disclosed | Not Disclosed |
| Contract duration | Not disclosed | Not Disclosed |
| Foreign participation | Not disclosed | Not Disclosed |
| Proposal and award procedure | The notice is a sources sought for market research only and is not a solicitation. It states the government may contact respondents for additional information, but the supplied evidence does not provide detailed submission instructions or evaluation/scoring factors for award. | Partially Confirmed |
| Staffing and security | No staffing plans/levels and no security clearance requirements are described in the supplied evidence. | Not Disclosed |
Read the original SAM.gov description
1. Purpose This is a Sources Sought Synopsis issued for market research purposes only. This notice is not a solicitation, request for proposal, request for quotation, invitation for bid, or commitment by the Government to award a contract. The Government will not pay for any information, costs, or responses submitted in response to this notice. No solicitation is available at this time, and the Government does not intend to award a contract based solely on responses to this announcement. The Government may contact respondents to obtain additional information regarding their capabilities. 2. Requirement Description The Department of the Air Force is conducting market research to identify capable sources for a potential follow-on requirement for F138-100 engine sustainment supporting C-5M aircraft mission requirements. The current F138-100 Engine Sustainment contract is an indefinite delivery, indefinite-quantity service contract. The current contract was competitively awarded to Canadian Commercial Corporation. The anticipated requirement may include material management, engine maintenance, component support, engineering, airworthiness, and related sustainment services. The Government has not determined the acquisition strategy, contract type, period of performance, competition approach, or socioeconomic set-aside approach for any future requirement. 3. Anticipated Scope Interested parties should demonstrate their capability to perform some or all of the following functions: Provide material-management functions, engine maintenance, and subcontractor component-support services. Provide supply liaison support and depot-level maintenance and repair capability, including required equipment and tooling. Develop and update maintenance build plans using Reliability Centered Maintenance Plus principles. Comply with applicable Technical Order data and Time Compliance Technical Orders, including new or revised technical requirements. Support engineering investigations. Support Product Quality Deficiency Reports. Provide analytical condition inspections. Manage and use Government-furnished property, including Government-owned parts and equipment, as authorized and made available by the Government. Support and maintain certifications and compliance associated with airworthiness requirements. Integrate and coordinate peculiar support equipment. 4. Requested Capability Information Interested parties are requested to submit a concise capabilities statement addressing the following: a. Company Information Company name. Unique Entity Identifier. Commercial and Government Entity code, if available. Company address. Primary point of contact, including name, title, telephone number, and email address. Applicable NAICS codes listed in the company’s System for Award Management registration. Business size and socioeconomic status for NAICS 336412, including, as applicable: Small business; Small disadvantaged business; 8(a) participant; Women-owned small business; Economically disadvantaged women-owned small business; HUBZone small business; Service-disabled veteran-owned small business; Veteran-owned small business; or Other than small business. b. Technical Capability A description of the company’s capability to meet each anticipated scope area identified in Section 3. Identification of any scope areas the company cannot perform. Description of facilities, equipment, tooling, technical data access, quality systems, certifications, and workforce qualifications relevant to F138-100 or comparable military/commercial aircraft engine sustainment. Description of experience supporting airworthiness, technical-order compliance, engineering investigations, product quality deficiency reporting, and analytical condition inspections. c. Relevant Experience For each relevant effort performed within the past five years, provide: Customer name and contract number, if releasable; Period of performance; Brief description of work performed; Relevance to the anticipated requirement; Contract value or value range, if releasable; Prime contractor or subcontractor role; and Customer point of contact, if authorized for release. d. Teaming and Subcontracting Respondents proposing to use teaming arrangements or subcontractors should identify: Proposed prime contractor and each known teammate or subcontractor; Anticipated roles and scope allocation; Whether each entity is small or other than small business; Relevant prior teaming experience; and Any limitations, dependencies, or approvals affecting the arrangement. e. Small-Business Participation All respondents are requested to provide a reasonable estimate of anticipated small-business utilization as a percentage of total contract value, with supporting rationale. Identify the anticipated supplies or services suitable for small-business participation and the socioeconomic categories expected to be utilized. If a small business intends to compete as a prime contractor under a potential small-business set-aside, it should describe its planned approach to complying with applicable limitations on subcontracting, including: The anticipated percentage of contract performance to be performed by the prime contractor and similarly situated entities; The anticipated percentage of payments to be made to subcontractors that are not similarly situated entities; The anticipated division of work among teaming partners and subcontractors; and The basis for concluding that the proposed performance approach is achievable. Other than small businesses should also describe their anticipated approach to small-business subcontracting and their experience meeting small-business subcontracting commitments on comparable efforts. 5. Acquisition Strategy The Government has not determined an acquisition strategy for this potential requirement. Information received in response to this notice will be used to assess the availability and capability of industry sources and to inform potential competition and small-business participation strategies. The Government may consider full and open competition, a socioeconomic set-aside, or another acquisition approach, as appropriate. Nothing in this notice constitutes a commitment by the Government regarding any future acquisition strategy.
05 / Historical Spending Trend
How has spending on the selected comparable contracts changed?
The same closed fiscal-year window and the same complete comparable-contract set are used throughout this Brief. Net obligations total $4.47B across 7 fiscal years.

| Fiscal year | Comparable obligations | Actions | Vendors |
|---|---|---|---|
| FY 2019 | $70.25M | 14 | 2 |
| FY 2020 | $523.52M | 13 | 2 |
| FY 2021 | $587.10M | 27 | 1 |
| FY 2022 | $422.77M | 58 | 2 |
| FY 2023 | $499.00M | 63 | 2 |
| FY 2024 | $779.24M | 46 | 2 |
| FY 2025 | $1.59B | 42 | 2 |
06 / Related Historical Awards
Which contracts support the comparison?
No direct contract reference was found. 15 broad matches are shown as supporting context.

| Contract | Vendor | Latest activity | Office | NAICS / PSC | Match | Obligations | Actions |
|---|---|---|---|---|---|---|---|
| FA812424FB001 | ROLLS-ROYCE CORPORATION | Mar 5, 2024 | FA8124 AFLCMC LPK | 336412 / J028 | Broad match Buyer and requirement-language evidence | $12.07M | 3 |
| FA812424FB012 | ROLLS-ROYCE CORPORATION | Feb 23, 2024 | FA8124 AFLCMC LPK | 336412 / J028 | Broad match Buyer and requirement-language evidence | $13.37M | 1 |
| FA812422F0041 | ROLLS-ROYCE CORPORATION | Aug 19, 2025 | FA8124 AFLCMC LPK | 336412 / J028 | Broad match Buyer and requirement-language evidence | $2.61M | 4 |
| FA812423F0031 | ROLLS-ROYCE CORPORATION | Aug 21, 2023 | FA8124 AFLCMC LPK | 336412 / J028 | Broad match Buyer and requirement-language evidence | $16.61M | 3 |
| FA812423F0046 | RAYTHEON TECHNOLOGIES CORPORATION | Aug 1, 2023 | FA8124 AFLCMC LPK | 336412 / J028 | Broad match Buyer and requirement-language evidence | $3.18M | 1 |
| FA812422F0034 | RAYTHEON TECHNOLOGIES CORPORATION | Jun 12, 2023 | FA8124 AFLCMC LPK | 336412 / J028 | Broad match Buyer and requirement-language evidence | $3.84M | 5 |
| FA812423F0029 | ROLLS-ROYCE CORPORATION | Mar 31, 2023 | FA8124 AFLCMC LPK | 336412 / J028 | Broad match Buyer and requirement-language evidence | $3.75M | 1 |
| FA812419F0024 | ROLLS-ROYCE CORPORATION | Jan 8, 2020 | FA8124 AFLCMC LPK | 336412 / J028 | Broad match Buyer and requirement-language evidence | $20.48M | 8 |
| FA812418F0043 | ROLLS-ROYCE CORPORATION | Oct 9, 2019 | FA8124 AFLCMC LPK | 336412 / J028 | Broad match Buyer and requirement-language evidence | -$1.85M | 5 |
| FA812425F1025 | UNITED TECHNOLOGIES CORPORATION | Dec 29, 2025 | FA8124 AFLCMC LPK | 488190 / J028 | Broad match Buyer and requirement-language evidence | $617.15M | 13 |
| FA812425F0001 | UNITED TECHNOLOGIES CORPORATION | Dec 19, 2025 | FA8124 AFLCMC LPK | 336413 / J028 | Broad match Buyer and requirement-language evidence | $921.40M | 14 |
| FA812426FB003 | UNITED TECHNOLOGIES CORPORATION | Dec 19, 2025 | FA8124 AFLCMC LPK | 336413 / J028 | Broad match Buyer and requirement-language evidence | $251.82M | 1 |
| FA861120F1010 | UNITED TECHNOLOGIES CORPORATION | Dec 17, 2025 | FA8124 AFLCMC LPK | 488190 / J028 | Broad match Buyer and requirement-language evidence | $1.57B | 107 |
| FA812424F1020 | UNITED TECHNOLOGIES CORPORATION | Dec 17, 2025 | FA8124 AFLCMC LPK | 488190 / J028 | Broad match Buyer and requirement-language evidence | $454.98M | 25 |
| FA812423F1015 | UNITED TECHNOLOGIES CORPORATION | Jul 31, 2025 | FA8124 AFLCMC LPK | 488190 / J028 | Broad match Buyer and requirement-language evidence | $414.17M | 50 |
07 / Contractor Evidence
Which contractors have performed related work?
Historical contractors are ranked by direct procurement-family evidence and comparable contract activity. The table distinguishes connected holders from broader performers without identifying unverified bidders.
No directly connected predecessor was identified. The companies below are historical performers selected from the comparable contract set; none is identified as a bidder.

| Company | Evidence | Fit | Why included | Contracts | Actions | Obligations | Latest activity | Links |
|---|---|---|---|---|---|---|---|---|
| RAYTHEON TECHNOLOGIES CORPORATION UEI QN1BCFY7JDJ5 · CAGE 52661 | Broad historical performer Historical performer | Moderate | Comparable buyer and requirement history | 8 | 216 | $4.24B | Dec 29, 2025 | GETWAB profile |
| ROLLS-ROYCE CORPORATION UEI KHK8QYLFGLU1 · CAGE 63005 | Broad historical performer Historical performer | Moderate | Comparable buyer and requirement history | 7 | 25 | $67.04M | Aug 19, 2025 | GETWAB profile |
08 / Competitive Landscape
How was comparable work competed?
Competition treatment is calculated from exactly the same closed-period contract set used in Sections 5–7. It describes historical actions, not the outcome of this solicitation.

| FPDS treatment | Code | Actions | Obligations | Share |
|---|---|---|---|---|
| Not competed | C | 263 | $4.47B | 100.0% |
09 / Procurement History
How was this opportunity published and updated?
2 SAM.gov notice records were resolved into this procurement family. The chronology shows how the requirement was published and updated.
| Notice | Type | Posted | Response deadline | Status | Official source |
|---|---|---|---|---|---|
| F138_Follow-on_10052026 F138-100 engine sustainment | Sources Sought | Oct 5, 2026 | Nov 4, 2026 5:00 PM GMT-0600 | Active | View on SAM.gov |
| F138_Follow-on_10052026 Current Brief record F138-100 engine sustainment | Sources Sought | Oct 5, 2026 | Nov 4, 2026 5:00 PM GMT-0600 | Active | View on SAM.gov |
10 / NAICS and PSC Market Context
How large is the selected comparable market?
Classification codes organize the evidence; they do not prove that every contract in the broader NAICS or PSC market matches this requirement.
11 / Capture Signals and Risks
What should be validated before committing capture resources?
Capture signals separate verified procurement-family evidence from unresolved requirements and market-only indicators.
Direct procurement-family evidence
No direct award record found
Buyer proximity
15 comparable record(s) share the contracting office
Eligibility
Not disclosed in the indexed notice
Unresolved requirement fields
7
12 / Who Should Pursue
When does this opportunity fit?
- Your team can demonstrate recent, relevant delivery in F138-100 engine sustainment.
- Your company can document the stated eligibility conditions: The notice includes business size and socioeconomic status considerations for NAICS 336412, listing several small-business categories (e.g., small business, SDVOSB, HUBZone, 8(a), etc.). It also asks small businesses to describe their planned approach for limitations on subcontracting if competing as a prime under a potential small-business set-aside.
- You can perform under the stated acquisition model: The notice states the current F138-100 Engine Sustainment contract is an indefinite delivery, indefinite-quantity (IDIQ) service contract; it does not confirm the structure for the future follow-on requirement.
- You can show credible past performance for FA8124 AFLCMC LPK or a closely related federal customer.
- Your technical scope fits, but you lack demonstrated history with FA8124 AFLCMC LPK.
- You need a specialist teammate to close unresolved staffing, security, or detailed-scope requirements before committing.
- You cannot satisfy or verify the stated eligibility conditions: The notice includes business size and socioeconomic status considerations for NAICS 336412, listing several small-business categories (e.g., small business, SDVOSB, HUBZone, 8(a), etc.). It also asks small businesses to describe their planned approach for limitations on subcontracting if competing as a prime under a potential small-business set-aside.
- Your delivery model cannot support the stated contract vehicle or order-based work structure.
- The unresolved requirements shown above cannot be validated before committing proposal resources.



