Operational Test and Training Infrastructure (OTTI) Commercial Solutions Opening (CSO)
This solicitation funds commercial solutions and technological capabilities for U.S. Space Force operational test and training infrastructure needs, for eligible offerors responding to the listed areas of interest.
⚑ Defense solicitation under DFARS 212.70 Commercial Solutions Opening · Eligibility and any proposal limits depend on the attached CSO/AOIs; review amendment 0004 and AOI-specific instructions · Federal contract notice rather than a grant; award terms and evaluation are governed by solicitation documents
Unit fits — one characterization, each unit's own rules
| Physical Sciences & Engineering (demo) | 90 strong | technical depth: central; funds applied research |
| IPPRA | 58 good | peripheral portfolio topic: national_security_defense; social/behavioral work is minor; funds applied research |
| Tom Love Innovation Hub | 45 partial | funds applied research; prototyping/demonstration stage; deep-tech content |
Description
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.
Eligibility
Applicant restrictions (federal contract). Set-aside: . Notice type: Solicitation. Organization: DEPT OF DEFENSE / DEPT OF THE AIR FORCE / FA2553 OPRN TEST & TRG INFR OTTI PK.
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Proposal brief SEE AN EXAMPLE →
A one-page internal memo: fit assessment, submission requirements, document scaffold, and next steps dated back from the deadline — tailored to your project idea if you add one.
Proposal shell · Department of Defense (BAA-style) conventions SEE A DOD EXAMPLE →
Funder-faithful document skeletons — Department of Defense (BAA-style)'s document set with section headings, page limits, reviewer guidance, and writing prompts; add a project idea to get [DRAFT] starter bullets. Download as .md for Word or Overleaf.