The Department of Defense, specifically the United States Air Force (USAF), is seeking proposals for the B61-12 Tail Kit Assembly Modular Avionics Retrofit under the SBIR program. The objective is to assess the current technical baseline of the B61-12 TKA for potential hardware and software retrofitting opportunities, utilizing modular standards such as VITA 46 VPX and the Sensor Open Systems Architecture (SOSA). This initiative is crucial for enhancing system capabilities, ensuring cybersecurity, and fostering competition in response to the Great Power Competition. The solicitation is currently in the pre-release phase, with an open date of January 8, 2025, and a close date of February 5, 2025. Interested parties can find more information and submit proposals through the official SBIR website.