TTO Office-Wide Solicitation Proposers Day

The Defense Advanced Research Projects Agency issued a Special Notice announcing a Proposers Day for the Tactical Technology Office (TTO) Office-Wide Solicitation (DARPA-PS-26-123), with registration closing October 5, 2026, at 4:00 p.m. Eastern Time. The event is restricted to U.S. citizens representing U.S. companies only and requires an active TOP SECRET clearance with SCI eligibility as applicable.

The Proposers Day occurs October 27–28, 2026, at the DARPA Conference Center in Arlington, Virginia. October 27 features an all-day general session (8:00 a.m.–4:00 p.m. ET, TOP SECRET classification) where potential proposers hear directly from TTO Program Managers about research interests covering naval and aerospace platforms, propulsion technologies, autonomy, and munitions. October 28 offers up to two 20-minute one-on-one meetings (8:00 a.m.–4:00 p.m. ET, TOP SECRET/SCI) with Program Managers matched to submitted statements of interest.

In-person attendance is limited to 90 confirmed attendees on a first-come, first-served basis, with a maximum of two representatives per business unit. Attendees must submit security clearances and visit requests to DARPA's Special Security Office, a personal biography (maximum two paragraphs), and a one-paragraph statement of interest to TTO-SN-26-105@darpa.mil by October 5, 2026. Unclassified biographies and statements should reference the registration website at https://creative.spa.com/darpa/tto/ow-solicitation-pd-26/. Attendance is voluntary and not required to propose; DARPA will not reimburse participation costs. No cell phones, electronic devices, recording, or photography are permitted.