The Air Force Research Laboratory, Materials & Manufacturing Directorate, Structural Materials Division is soliciting white papers and potentially technical and cost proposals under this announcement that support the needs of its Structural Materials and Applications mission. The Structural Materials technologies that range from materials and scientific discovery through technology development and transition are of interest. The total estimated program value is $800,000,000.00, with multiple awards ranging from $50,000 to $50,000,000. • The Government will review the submitted S&T protection documentation only for those proposals categorized as Selectable and selected for funding and negotiations. • The offeror is required to submit a completed initial Standard Form (SF) 424, Research and Related Senior/Key Person Profile (Expanded) Form, and a Security Program Plan. • The purpose of requesting the plan is to assess the offeror’s capacity for protection of the Government’s S&T. • The Government may require the offeror to submit additional information and/or a mitigation plan for any identified S&T protection risks.