This Solicitation opportunity from Department Of Defense was posted on November 26, 2025. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Track at Big Distances with Track-Before-Detect (TBD2)

Closed

DARPA-PS-26-01Federal

Submission Closed12/04/2025, 05:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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NAICS: 541715

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AI Contract Overview

The DARPA-PS-26-01 solicitation for the Track at Big Distances with Track-Before-Detect (TBD2) program seeks innovative solutions to advance space situational awareness in cislunar space through the development of low-complexity, onboard signal processing algorithms and payload designs. The program aims to enable continuous detection and tracking of faint objects at gigameter distances, utilizing commercial off-the-shelf or quasi-COTS optical sensors and focal plane arrays, with operation timelines within hours. Multiple awards are anticipated under an Other Transaction Agreement (OTA) mechanism, with a focus on payloads deployable at Sun-Earth Lagrangian Point 1 (SEL1) and beyond GEO orbits, emphasizing algorithm software and payload hardware that meet specific performance metrics such as detection probability, false alarm rates, power consumption, and revisit times. The effort involves a 15-month performance period, during which proposers must submit detailed technical, schedule, and cost proposals, including a resource-loaded Integrated Master Schedule, technical approach, and data rights assertions. The solicitation incorporates a comprehensive set of contractual and regulatory requirements primarily governed by the statutory authority of 10 U.S.C. § 4022 for OTAs, with no standard FAR clauses explicitly incorporated. Proposers must review and complete the Model OTA agreement, provide detailed data rights assertions, and adhere to security protocols related to Controlled Unclassified Information (CUI). The evaluation process emphasizes technical ability, understanding of challenges, relevant qualifications, and cost realism, with no explicit weighting or adjectival ratings specified. Submission instructions mandate a concise abstract of no more than four pages, a maximum of 30 slides for oral presentations, and a full proposal package including the Model OTA, task description, price summary, milestone schedule, and other appendices. All proposals must be submitted electronically via email by December 4, 2025, with strict adherence to formatting and deadline requirements. The program's success hinges on innovative algorithm development, payload design, and the ability to meet stringent technical and schedule milestones, ultimately enhancing early warning capabilities for space traffic management in the cislunar domain.

General Info

Agency

Department Of Defense → Defense Advanced Research Projects Agcy

NAICS

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

Place of Performance

Set-Aside

NONE

Documents

Attachment 2 TBD2 Q&A Version 3 26NOV2025

q-and-a

High

DARPA PS-26-01 TBD2 Amendment 03 24NOV2025

amendment

High

DARPA PS-26-01 TBD2 Program Solicitation Amendment 04 26NOV2025

amendment

High

DARPA-PS-26-01 Track at Big Distances with Track-Before-Detect (TBD2) Amendment 01

22 pages · amendment

High

DARPA-PS-26-01 Track at Big Distances with Track-Before-Detect (TBD2) Amendment 02

23 pages · amendment

High

Attachment 2 TBD2 Q&A 24NOV2025

q-and-a

Low

DARPAConnect Briefing on Support and Collaboration Opportunities

8 pages · industry-day

Low

DARPA PS 26-01 (TBD2) Q&A Document 17NOV2025

11 pages · q-and-a

Low

DARPA-PS-26-01 Track at Big Distances with Track-Before-Detect Program Solicitation

21 pages · baa

Low

DARPA TBD2 Proposers Day Briefing November 4, 2025

industry-day

Low

DARPA TBD2 Proposers Day Briefing November 4, 2025

15 pages · industry-day

Low

TBD2 Cislunar SSA Track Before Detect Algorithm Evaluation Briefing

industry-day

Low

TBD2 Proposer's Day Briefing - Lawrence Livermore National Laboratory

industry-day

Low

AI Contract Breakdown

Uniform Contract Format

Timeline

4 updates

PhaseClosed

PostedOct 30

Solicitation

Notice updatedNov 7

Response deadline changed from Nov 20, 2025 to Dec 4, 2025. The notice description changed.

Notice updatedNov 17

The notice description changed.

Notice updatedNov 24

The notice description changed.

Notice updatedNov 26

The notice description changed.

Response DeadlineDec 4

Deadline has passed

Submission Closed

12/04/2025, 05:00:00 PM UTC

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Organization & Contact Information

AgencyDepartment Of Defense → Defense Advanced Research Projects Agcy

Contacts1 person available

OfficeARLINGTON, VA, 222032114, USA

Organization / AgencyDepartment Of Defense → Defense Advanced Research Projects Agcy

Office AddressARLINGTON, VA, 222032114, USA

Contacts

contact@example.gov

Full Description

AMENDMENT 04: Amendment 04 includes an update to Figure 1 on Page 4, and incorporates V3 to the Q&A which adds Q&A #109. All other information remains unchanged in the Solicitation and associated Attachments.

AMENDMENT 03: Amendment 3 includes a clarification to Q&A Response #13 only. All other information remains unchanged in the Solicitation and associated Attachments.

AMENDMENT 02: Amendment 2 includes updates to the Solicitation and two (2) Attachments:
(Attachment 1) Controlled Unclassified Information (CUI) Guide. The CUI Guide is available by request not later than November 21, 2025, by 12:00 PM ET.
(Attachment 2) DARPA-PS-26-01 Questions and Answers.

AMENDMENT 01: The Abstract Due Date is extended to December 4, 2025, by 12:00 PM ET.

The goal of the TBD2 program is to enable continuous space-based detection and tracking of objects in cislunar space on relevant timelines. This effort will increase the safety of cislunar commercial and civilian traffic for the benefit of all nations and enable a sustainable space ecosystem. To accomplish this, TBD2 seeks to advance the state of the art for signal processing algorithms so that when combined with commercial off-the-shelf (COTS) or quasi-COTS optical sensors and/or focal plane arrays (FPAs), they can a) detect and track faint objects at gigameter (Gm) distances b) operate using available onboard processing capabilities, and c) do so on relevant timelines (within hours).