This Sources Sought notice seeks authorized businesses to perform a comprehensive upgrade of an existing system to modernize components and enhance cybersecurity in alignment with current DOD and USAF standards. Due to the proprietary nature of the ALCMS software, only the original manufacturer, ADB SAFEGATE, is authorized to perform the required modifications to ensure life-safety functionality. The work must conform to FAA AC150/5345-56 specifications and relevant sections of DAFGM 2023-32-01, as detailed in the attached draft SOW. No budget information is specified, and pricing is not being requested at this time. The location for performance of services is not mentioned.