Open bid

Operational Test and Training Infrastructure (OTTI) Commercial Solutions Opening (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. AOI 05 Q&As: Please see the attached OTTI CSO AOI 05 Questions_Answers document for AOI 05: Continuous Fitness Assessment (CFA).

Notice type	Solicitation: Open for bids now. Download the solicitation documents from the official posting.
Who's buying	Fa2553 Oprn Test & Trg Infr Otti Pk, Dept of the Air Force
Where	Colorado Springs, Colorado
Deadline	Sun, Dec 9, 2029 at 1:59 AM EST (1143 days left)
Who can bid	Open to any business (no set-aside listed)
Industry	NAICS 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology))
Solicitation #	FA2553-25-S-C001
Posted	Thu, Oct 8, 2026
Contact	Nicole Mintus, [email protected]

Open the official posting

From the notice

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 s

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