Notice of proposed contract action IAW FAR 5.203 and Justification & Approval Posting Requirement IAW FAR 6.305. Contracting Office Address Department of the Air Force, SSC – Space Systems Command, Space Sensing Contracts, SSC/PK/SNK, 483 N. Aviation Blvd., EI Segundo, California, 90245–2808. Contracting Officer Phillip Nguyen, SSC/PK/SNK. Description Contract #: FA8810–20–C–0002. Classification Code: 541 – Professional, Scientific, and Technical Services. NAICS Code: 541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology). Product/Service Code: AC23. Notice #: PA–1593. Procurement Type: Pre–Solicitation. Place of Performance: Redacted. The United States Space Force Space Systems Command (SSC) Space Sensing portfolio intends to issue a solicitation for Tools, Applications, and Processing (TAP) Laboratory and Overhead Persistent Infrared (OPIR) Battlespace Awareness Center (OBAC) Support Services (TLOSS) Transition Out Services not before 15 days after the posting of this Notice of Proposed Contract Action. For this acquisition, the NAICS code is 541715 and this is a modification to an existing contract for additional supplies or services. The original contract did not include FAR Clause 52.237–3, Continuity of Services or any transition requirements in the PWS requiring the incumbent TLOSS contractor to furnish phase-in, phase-out services with the successor. This omission presents a significant concern as the services provided under this contract are considered vital to the Government and must continue uninterrupted. The contract's critical nature stems from the TLOSS contractor's responsibility for essential support functions at the . These functions encompass Development Security Operations, Cybersecurity, Physical Security and Infrastructure Enhancements. The overall scope of effort required under the transition–out phase is based on the existing scope of work with additional emphasis of successfully transitioned–