DARPA-SN-26-105-Amendment-01.pdf

Special Notice (SN) Amendment

• Announcement Type: Amendment 01

• Special Notice Number: DARPA-SN-26-105: TTO Office-Wide Solicitation Proposers Day

• Changes Made are in yellow o Title Page:

▪ From: Posting Date: January 20, 2026

▪ To:

Original Posting Date: January 20, 2026 Amendment 01 Date: January 28, 2026 o Registration / Eligibility / Security Clearance Deadlines: Pages 3-5

▪ From: September 29, 2026 4:00 p.m. Eastern Time (ET)

▪ To: October 05, 2026, 4:00 p.m. Eastern Time (ET)

DARPA-SN-26-105

Special Notice Proposers Day Special Notice Office-Wide Solicitation

DARPA-SN-26-105

Original Posting Date: September 09, 2026 Amendment 01 Date: September 28, 2026

Defense Advanced Research Projects Agency Tactical Technology Office (TTO) 675 North Randolph Street Arlington, VA 22203-2114

Proposers Day Special Notice DARPA-SN-26-105

Office-Wide Solicitation 2026 Defense Advanced Research Projects Agency (DARPA)

Tactical Technology Office (TTO)

Event Dates: October 27-28, 2026 Location: DARPA Conference Center (DCC) at 675 N Randolph St, Arlington, VA, 22203 Registration Deadline: October 05, 2026, 4:00 p.m. Eastern Time (ET) Registration Website: https://creative.spa.com/darpa/tto/ow-solicitation-pd-26/ E-mail: DARPA-SN-26-105@darpa.mil Event Point of Contact (POC): Proposers Day Coordinator

OFFICE-WIDE SOLICITATION PROPOSERS DAY:

DARPA TTO is sponsoring a Proposers Day to provide information to potential proposers on the objectives of the TTO Office-Wide (OW) Solicitation, DARPA-PS-26-123, published on SAM.gov.

TTO creates decisive advantages across all warfighting domains. The portfolio includes new naval and aerospace platforms, novel propulsion technologies, advanced autonomy, cutting-edge munitions, and more — all designed to maximize impact on current and future battlefields. Potential proposers can reference the solicitation for research areas of current interest to TTO.

TENTATIVE AGENDA:

October 27, 2026 – Proposers Day Classification: TOP SECRET Time: 08:00 a.m. ET – 04:00 p.m. ET Location: DCC, 675 N Randolph Street, Arlington, VA 22203 (no virtual option) Purpose: An opportunity for potential proposers to hear directly from TTO Program Managers about their research interests and network with in-person attendees.

Registration Confirmation: Successful registrants who meet the security and eligibility requirements to attend in person will receive an email confirmation of their registration in mid-October 2026.

October 28, 2026 – One-on-One Meetings Classification: TOP SECRET (with SCI eligibility) Time: 08:00 a.m. ET – 04:00 p.m. ET Location: DCC, 675 N Randolph Street, Arlington, VA 22203 (no virtual option) Purpose: 20-minute meetings with TTO Program Managers and potential proposers to discuss areas of expertise and company capabilities.

Registration Confirmation: Successful registrants who meet the security and eligibility requirements to attend in person will receive an email confirmation of their registration in mid-October 2026.

https://creative.spa.com/darpa/tto/ow-solicitation-pd-26/ mailto:DARPA-SN-26-105@darpa.mil mailto:https//sam.gov/

ELIGIBILITY:

To be eligible to attend Proposers Day (October 27, 2026) and One-on-One meetings (October 28, 2026) in person at the DCC, proposers must:

• Possess an active TOP SECRET clearance, with SCI eligibility as applicable

• Submit security clearances, visit requests, and other applicable documents to DARPA no later than 4:00 p.m. ET on October 5, 2026

• Submit a personal biography and statement of interest to TTO no later than 4:00 p.m. ET on October 5, 2026

• Receive e-mail confirmation from the Proposers Day Coordinator to attend in person

Due to space limitations within the DCC, in-person attendance will be limited to 90 confirmed attendees, on a first-come, first-served basis. Registrants must receive a confirmation email from the Proposers Day Coordinator to attend in person. No more than 2 representatives per business unit from a company may attend. Participants are encouraged to coordinate attendance internally within their organization, and prioritize technical experts’ participation, prior to registration.

E-mail confirmations will be sent to successful registrants on a rolling basis until all slots are filled.

Potential registrants are encouraged to submit their materials as early as possible. Registrants will be added to a waitlist if all 90 attendee slots are filled before registration closes.

In-person attendance is limited to U.S. citizens, representing U.S. companies only. Failure to submit all required forms by 4:00 p.m. ET on October 5, 2026, may result in registration request cancellations.

SECURITY CLEARANCE INFORMATION:

Proposers Day (October 27, 2026) and One-on-One meetings (October 28, 2026) will be classified at TOP SECRET and will require security clearance transmittal to DARPA. Clearances must be received no later than 4:00 p.m. ET on October 5, 2026.

Please fax your clearance/visit request to the Special Security Office (SSO) at (703) 812-1995 (secure) or

(703) 528-3655 (unclassified). Alternatively, the requesting SSO may send a message with visit information to SSO DARPA via Joint Worldwide Intelligence Communication System (JWICS), or the requesting SSO may send a visit request via Defense Information System for Security (DISS) using the SMO Code DDAAUS4 for TOP SECRET or SMO Code DDAAUS2. The Technical POC is Melissa Pfau and the Security POC is Allyson Ricci. The purpose is to attend the TTO Office-Wide Solicitation Proposers Day

2026 (DARPA-SN-26-105).

No cell phones, electronic devices, recording, or photography will be permitted during the Proposers Day events at DARPA. Storage is available for small electronics.

See https://www.darpa.mil/policy/visitor-information for additional information on identification requirements for entry and other policies to which visitors must adhere. Upon entry to in-person events held at the DARPA Conference Center, all attendees will be required to present Government-issued photo identification that is compliant with the REAL ID Act of 2005, and an acceptable proof of U.S.

citizenship. Examples may include:

https://www.darpa.mil/policy/visitor-information

• State-issued driver’s license, or,

• U.S. passport, or,

• Copy of birth certificate.

NOTE: Before individuals transmit Personally Identifiable Information (PII) or other sensitive data to DARPA, it is recommended that they apply appropriate physical, administrative, and technical protocols to safeguard their privacy. DARPA will secure all received PII and sensitive personal data in a controlled environment and protect it from unauthorized access, use, or disclosure.

REGISTRATION GUIDELINES:

Registration closes at 4:00 p.m. ET on October 5, 2026. Proposers must register through the registration website: https://creative.spa.com/darpa/tto/ow-solicitation-pd-26/. Submitting a personal biography and statement of interest is required to successfully register and be eligible to attend Proposers Day (October 27, 2026) and One-on-One meetings (October 28, 2026).

TTO will assign One-on-One meetings between TTO Program Managers and registrants based on the content of their personal biography and statement of interest. One-on-One meetings will likely be held up to the clearance level of the confirmed attendees. Confirmed attendees can expect to be assigned up to 2 One-on-One meetings with TTO Program Managers.

General guidelines for personal biography and statement of interest submissions:

• All submissions must be written in English.

• Electronic submittals shall be in Microsoft Word or PDF format.

• All documents submitted must be clearly labeled with the DARPA-SN-26-105.

• Personal Biography. Individual biography—not to exceed 2 paragraphs—for each Proposers Day attendee (maximum of 2) describing their relevant background and qualifications to participate effectively in the technical discussion.

• Statement of Interest. Provide a 1-paragraph statement of interest that highlights current research topic areas, ongoing technical focus, and/or desired high-level impact on current and future battlefields. This statement will be reviewed to match confirmed attendees with TTO Program Managers for One-on-One meetings (maximum of 2).

• Respondents are responsible for clearly identifying proprietary information. Submissions containing proprietary information must have the cover page and each page containing such information clearly marked with a label such as “Proprietary” or “Company Proprietary.”

NOTE: “Confidential” is a classification marking used to control the dissemination of U.S.

Government National Security Information as dictated in Executive Order 13526 and should not be used to identify proprietary business information.

• Do not include elaborate brochures or marketing materials; only include information relevant to the TTO OW Solicitation Topics of Interest (see DARPA-PS-26-123).

• Send unclassified biographies and statements of interest to DARPA-SN-26-105@darpa.mil. DO

NOT SUBMIT CLASSIFIED INFORMATION TO THIS ADDRESS.

https://usg02.safelinks.protection.office365.us/?url=https%3A%2F%2Fcreative.spa.com%2Fdarpa%2Ftto%2Fow-solicitation-pd-26%2F&data=05%7C02%7Cbart.robinson.ctr%40darpa.mil%7C3d897ea150b140c9a8e608deece623a1%7Cf84814b5f44e46909314553e36b5f585%7C0%7C0%7C639208670349932822%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=O%2Bh2w0SNif1TZ5G0GMuR9jq3mvfKNdD1QTatiiDC9mw%3D&reserved=0 mailto:DARPA-SN-26-105@darpa.mil

ADDITIONAL INFORMATION:

Attendance at the TTO OW Solicitation Proposers Day 2026 is voluntary and is not required to propose to DARPA-PS-26-123 or any subsequent solicitations on this topic. The Proposers Day does not constitute a formal solicitation for proposals. DARPA will not provide reimbursement for costs incurred to participate in this Proposers Day.

DARPAConnect offers free resources to potential performers to help them navigate DARPA, including "Understanding DARPA Award Vehicles and Solicitations," "Making the Most of Proposers Days," and "Tips for DARPA Proposal Success." Join DARPAConnect at www.DARPAConnect.us to leverage on-demand learning and networking resources.

http://www.darpaconnect.us/