Operational Test and Training Infrastructure (OTTI) Commercial Solutions Opening (CSO)

Open Solicitation Posted Dec 9, 2024

Solicitation number: FA2553-25-S-C001
Agency: Air Force Department of Defense
Responses due: Dec 9, 2029, 1:59 AM ET
Set-aside: No set-aside

Opportunity facts

NAICS code: 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
PSC: AC34 National Defense R&D Services; Defense-Related Activities; R&D Administrative Expenses
Place of performance: Colorado Springs, Colorado 80914, United States
Points of contact: Cassie DeBree cassie.debree@spaceforce.mil (719) 556-2256

Crystal Price crystal.price.6@spaceforce.mil

Megan McChrystal megan.mcchrystal@spaceforce.mil

Notice details come from SAM.gov. Updated Jul 1, 2026.

About this opportunity

Written by GovTribe AI · Jul 1, 2026

The United States Space Force seeks innovative commercial products, technologies, and services across multiple areas of interest in support of its Operational Test and Training Infrastructure (OTTI) Enterprise, with the solicitation remaining open indefinitely and Phase I submissions for individual Areas of Interest due on staggered dates through June 2027. The procurement is issued under DFARS 212.70 as a Commercial Solutions Opening (CSO) and foreclosed to foreign firms.

Place of performance is Cheyenne Mountain Air Force Base, Colorado. The NAICS code is 541715, Research and Development in the Physical, Engineering, and Life Sciences; the PSC is AC34. Awards will be made as fixed-price contracts or Other Transactions for prototype projects under 10 U.S.C. § 4022, with the government reserving the right to fund all, some, or none of proposals submitted.

The CSO encompasses seven Areas of Interest with distinct Phase I submission deadlines: AOI 01 (Advanced 1-Meter Class COTS Electro-Optical Solutions, due January 21, 2025); AOI 02 (National Space Test and Training Complex Range Control System Enhancements, due March 11, 2025); AOI 03 (Distributed Synthetic Training Environment Evolution & Prototyping, due February 24, 2025); AOI 04 (Multirole Satellite Frequency In-field Test Suite, due May 14, 2025); AOI 05 (Continuous Fitness Assessment using wearable devices for 10,000 Guardians, due December 5, 2025); AOI 06 (Range Instrumentation and Surrogates Solutions, rolling submissions until June 30, 2027); and AOI 07 (Range Sensing Solutions for orbital tracking, rolling submissions until June 30, 2027). AOIs 06 and 07 include controlled technical annexes accessible only to vendors holding facility clearances.

Phase I requires unclassified PowerPoint briefings (maximum five slides plus quad chart) and white papers (maximum two pages, PDF, 10 MB). Phase II consists of optional 45-minute virtual pitch sessions. Phase III requires technical proposals, Statements of Work, and detailed pricing in editable Excel format. Evaluation weighs technical merit, applicability, importance to agency programs, and price equally. Large businesses must submit small business subcontracting plans. All offerors must register in SAM.gov, perform Organizational Conflict of Interest analysis, provide FAR 9.104 responsibility self-assessments, and certify NIST SP 800-171 DoD assessments in the Supplier Performance Risk System. Submissions are made electronically; hardcopies are not accepted. The government will notify non-selected offerors generally within 45 days of Phase I or II submission. Amendment 0011, the most current version, supersedes all prior amendments.

Notice text

18 versions

As posted on SAM.gov.

Update #18 · Latest · Jul 1, 2026

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.

Update #17 · Dec 8, 2025