The U.S. Air Force is seeking additional industry sources capable of producing a Stand-in Attack Weapon or equivalent system compatible with the future F-47 fighter and B-21 Raider stealth bomber, according to a sources sought notice posted Wednesday on SAM.gov. The notice, issued by the Air Force Life Cycle Management Center’s weapons office at Eglin Air Force Base, Florida, is not a solicitation but a market research tool to identify firms capable of producing a system with “similar or