Special Notice DEPT OF DEFENSE DEPT OF THE AIR FORCE: The Rapid Sustainment Office (RSO) is seeking innovative technology advances and solutions to reduce Air Force sustainment and operational costs, improve mission readiness, and expand Air Force capabilities. This Commercial Solutions Opening (CSO) serves as the overarching solicitation, with specific Calls to be published at the RSO's discretion. The CSO will remain open for Calls until September 30, 2022, and can result in the award of FAR Part 12 Contracts or Other Transaction Agreements (OTAs) under 10 USC 2371b. The RSO is interested in responses from traditional and nontraditional defense contractors, large and small businesses, and research institutions. The CSO aims to streamline the acquisition process, reduce timelines, and acquire new, innovative solutions to meet the RSO's Technology Focus Areas. Interested parties should monitor the Special Notice and the RSO website for updates and specific calls.