Solicitation
Operational Test and Training Infrastructure (OTTI) Commercial Solutions Opening (CSO)
Dept of Defense · Dept of the Air Force · Sol. FA2553-25-S-C001
Due in 1156 days
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The U.S. Space Force's Operational Test and Training Infrastructure office is using a Commercial Solutions Opening to seek innovative test and training capabilities in several Areas of Interest. Work is tied to Colorado Springs, CO. The notice text is mainly a long list of amendments, and the real requirements are in the attached CSO document.
Watch out for
- All requirements are in attachments. The notice text gives almost no details, so you cannot judge fit, evaluation or submission rules without reading the attached CSO.
Please see the attached OTTI CSO FA2553-25-S-C001 for all information.
- Controlled (CUI) documents. At least some question-and-answer documents are marked CUI, which may require access controls and handling procedures.
Please see the attached (CUI) OTTI CSO AOI 04 Questions_Answers document for AOI 04
- Many amendments. The CSO has been amended eleven times and each amendment replaces earlier versions, so you must use the latest one.
This amendment supersedes all versions of the OTTI CSO.
- AOI 05 still changing. Requirements for the Continuous Fitness Assessment area were not final, so scope may change.
AOI 05: Continuous Fitness Assessment (CFA) is currently pending Government updates.
Read from the notice text only.
Full brief
What they want
- AOI 02: National Space Test and Training Complex (NSTTC) Range Control System Enhancements
- AOI 03: Distributed Synthetic Training Environment Evolution and Prototyping
- AOI 04: Multirole Satellite Frequency In-field Test Suite (MSFITS)
- AOI 05: Continuous Fitness Assessment (CFA), currently pending Government updates
- Innovative capabilities, solutions and technological advancements for USSF operational test and training
- Contract type
- Commercial Solutions Opening (CSO) under DFARS 212.70
- Place of performance
- Colorado Springs, CO, USA
- Offers due
- 2029-12-08T23:59:00-07:00 (response deadline field); the AOI 05 Phase I date was extended to 5 December 2025 per the notice
- How to submit
- Not stated in the text; see the attached CSO
What to include when you submit
- Respond to the specific Areas of Interest in the CSO
- Phase I submissions are mentioned, with accepted-until dates per AOI
- Use the latest amendment (Amendment 0011), which supersedes all earlier versions
Not in the notice text
- Evaluation criteria and how awards are made
- Eligibility, security clearance and facility requirements
- Submission method, page limits and format
- Funding amounts and contract length
- Current deadlines for each Area of Interest
- Content of the CSO (Amendment 0011) and the Q&A documents
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Key facts
- Response due
- Dec 9, 2029, 6:59 AM UTC
- Posted
- Oct 8, 2026
- Notice type
- Solicitation
- Solicitation
- FA2553-25-S-C001
- Agency
- Dept of Defense · Dept of the Air Force
- Office
- FA2553 Oprn Test & TRG Infr Otti PK
- NAICS
- 541715
- Product/service code
- AC34
- Business type
- Engineering, architecture & research
- Place of performance
- Colorado Springs, CO, 80914
- Contracting contact
- Nicole Mintusnicole.mintus@spaceforce.mil
- Versions
- 19 (amended since first posted)
Before you respond
Full notice text from SAM.gov
Amendment 0011: Please see the attached OTTI CSO FA2553-25-S-C001 Amend 0011. This amendment supersedes all versions of the OTTI CSO. Annual Notice: In accordance with DFARS 212.7004(b), this posting serves as an annual notice of the OTTI CSO FA2553-25-S-C001 publishing. Amendment 0010: Please see the attached OTTI CSO FA2553-25-S-C001 Amend 0010. This amendment supersedes all versions of the OTTI CSO. AOI 05 Q&As: Please see the attached OTTI CSO AOI 05 Questions_Answers document for AOI 05: Continuous Fitness Assessment (CFA). The Phase I submission accepted until date for AOI 05 has been extended from 7 November 2025 to 5 December 2025. Amendment 0009: Please see the attached OTTI CSO FA2553-25-S-C001 Amend 0009. This amendment supersedes all versions of the OTTI CSO. AOI 05: Continuous Fitness Assessment (CFA) is currently pending Government updates. Additional information will be released to industry via an amendment to this solicitation. The Phase I submission accepted until date for AOI 05 has been extended from 8 October 2025 to 7 November 2025. Amendment 0008: Please see the attached OTTI CSO FA2553-25-S-C001 Amend 0008. This amendment supersedes all versions of the OTTI CSO. Amendment 0007: Please see the attached OTTI CSO FA2553-25-S-C001 Amend 0007. This amendment supersedes all versions of the OTTI CSO. Amendment 0006: Please see the attached OTTI CSO FA2553-25-S-C001 Amend 0006. This amendment supersedes all versions of the OTTI CSO. AOI 04 Q&As Rev 01: Please see the attached (CUI) OTTI CSO AOI 04 - Questions_Answers_Rev 01 document for AOI 04: Multirole Satellite Frequency In-field Test Suite (MSFITS). This updated document provides additional questions and answers (AOI 04 - Q16 through AOI 04 - Q30). Amendment 0005: Please see the attached OTTI CSO FA2553-25-S-C001 Amend 0005. This amendment supersedes all versions of the OTTI CSO. AOI 04 Q&As: Please see the attached (CUI) OTTI CSO AOI 04 Questions_Answers document for AOI 04: Multirole Satellite Frequency In-field Test Suite (MSFITS). Amendment 0004: Please see the attached OTTI CSO FA2553-25-S-C001 Amend 0004. This amendment supersedes all versions of the OTTI CSO. Amendment 0003: Please see the attached OTTI CSO FA2553-25-S-C001 Amend 0003. This amendment supersedes all versions of the OTTI CSO. AOI 02 Q&As Rev 01: Please see the attached OTTI CSO AOI 02 Questions_Answers_Rev01 document for AOI 02: National Space Test and Training Complex (NSTTC) Range Control System Enhancements. This updated document provides an additional question and answer (AOI 02 - Q10). AOI 03 Q&As: Please see the attached OTTI CSO AOI 03 Questions_Answers document for AOI 03: Distributed Synthetic Training Environment Evolution & Prototyping. AOI 02 Q&As: Please see the attached OTTI CSO AOI 02 Questions_Answers document for AOI 02: National Space Test and Training Complex (NSTTC) Range Control System Enhancements. Amendment 0002: Please see the attached OTTI CSO FA2553-25-S-C001 Amend 0002. This amendment supersedes all versions of the OTTI CSO. Amendment 0001: Please see the attached OTTI CSO FA2553-25-S-C001 Amend 0001. This amendment supersedes all versions of the OTTI CSO. The United States Space Force (USSF) Operational Test and Training Infrastructure (OTTI) is seeking innovative capabilities, solutions, and technological advancements. The OTTI Commercial Solutions Opening (CSO) is being issued in accordance with Defense Federal Acquisition Regulation Supplement (DFARS) 212.70. OTTI is requesting submissions from interested Offerors in response to the specific Areas of Interest (AOI) identified in the OTTI CSO. Please see the attached OTTI CSO FA2553-25-S-C001 for all information.
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