DHS S&T Long Range Broad Agency Announcement

DHS LRBAA 24-01 — Research

Supports organizations pursuing homeland security innovation in AI, detection, screening, and resilience through DHS open submissions.

The DHS Science and Technology Directorate's Long Range Broad Agency Announcement (LRBAA 24-01) is a standing, continuously open invitation for original R&D proposals across nine active homeland security topic areas. The announcement is posted on SAM.gov (opportunity 7e851aa6ed4646aabbcc4ae03b0ff232) and submissions are accepted at any time through the LRBAA Portal at oip.dhs.gov/baa/public. Current topic areas include artificial intelligence and machine learning, explosives detection, aviation screening, counter-unmanned aerial systems, cybersecurity, and trustworthy AI, among others. Unlike a traditional BAA, the LRBAA is intentionally broad by design — it is intended to capture original research proposals that fall outside the scope of S&T's more narrowly defined solicitations.

Eligibility is broad: businesses of all sizes, universities, national laboratories, and other R&D organizations — both domestic and international — are eligible to submit. Individual applicants are not eligible. The LRBAA explicitly does not pre-allocate a fixed funding level; budget availability is weighed as part of each award decision. Proposals must present original, state-of-the-art research or unique prototypes requiring proof of concept — commercially available products and support services cannot be purchased through the LRBAA. All submissions are peer reviewed, and DHS provides interest feedback (encourage or discourage) typically within 10 business days of a Stage 1 Industry Engagement Submission.

The three-stage selection process — Industry Engagement Submission, Virtual Pitch, and Written Proposal — means only organizations that receive an encouraging Stage 1 response advance to a full proposal. Proposal preparation costs at all stages are not reimbursable. Organizations should submit only unclassified materials. The LRBAA Today webinar series, available at dhs.gov, provides topic-specific context from DHS program managers. General inquiries go to LRBAA.admin@hq.dhs.gov; portal technical support to oipportalhelpdesk@hq.dhs.gov.