Contract opportunity

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

Solicitation from Department of Defense.

Data as of Oct 24, 2026. Sources: SAM.gov and Grants.gov. Snapshot govcon-directory-20261024T104923Z-2151694.

This product uses the Grants.gov API but is not endorsed or certified by the U.S. Department of Health and Human Services. Counts and totals are computed by DSE from public SAM.gov and Grants.gov notices. Text from Grants.gov may be shortened or have contact details removed. The original notice on Grants.gov is the authoritative version.

Closing in 1142 days

Notice details

Agency
Department of Defense
Sub-tier agency
DEPT OF THE AIR FORCE
Notice type
Solicitation
Solicitation number
FA2553-25-S-C001
NAICS
541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
Product/service code
AC34
Place of performance
Colorado Springs, Colorado
Posted
Oct 9, 2026
Response deadline
Dec 9, 2029
Source
SAM.gov

Description

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 contact details on the official notice(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

Summarized from the official notice. The description is shortened; read the full text on the official notice.

Official notice

View on SAM.gov →

Requirements and amendments are controlled by the official notice.

DSE verdict

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Prior awards (USAspending)

Department of Defense obligated $14,777,575 under NAICS 541715 on awards whose period of performance started in the last 12 months.

Source: USAspending.gov, U.S. Department of Treasury, Bureau of the Fiscal Service, https://www.usaspending.gov. Accessed Oct 24, 2026. Award totals are computed by DSE from USAspending.gov award data.

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Frequently asked questions

When is the response deadline?

The published deadline is Dec 9, 2029. That is 1,142 days after the data date.

What NAICS code applies?

NAICS 541715, Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology).

Which agency issued this notice?

Department of Defense.

Where is the official notice?

The link under Official notice opens the source listing.