The Department of Defense, specifically the Naval Air Warfare Center, is soliciting proposals under the DoD SBIR 25.4 Broad Agency Announcement, which is set aside for small businesses. This opportunity aims to enhance the Due Diligence Program to Assess Security Risks, as clarified in Amendment 1 of the announcement. The focus is on research and development in the physical, engineering, and life sciences sectors, which are critical for advancing national defense capabilities. Interested parties can reach out to Joel Blaine Ashworth at joel.b.ashworth.civ@us.navy.mil or Tara Randolph at tara.j.randolph.civ@us.navy.mil for further details, with the expectation that submissions will align with the outlined objectives and requirements.