The 4th Contracting Squadron (4 CONS) at Seymour Johnson AFB, NC, intends to award a sole-source, firm-fixed-price purchase order to ADB SAFEGATE Americas LLC (977 Alum Creek Dr, Columbus, OH 43209) to perform a critical technology upgrade of the existing GSB-2501 Airfield Lighting Control and Monitoring System (ALCMS). The scope of this requirement consists of a comprehensive, turnkey solution including: Supplies: Proprietary network hardware upgrades (based on the Cisco IE3300 ruggedized switch platform) for the Air Traffic Control Tower, Airfield Electrical Vault, and Maintenance Center, along with critical spare parts. Services: Professional technical services to include project design submittals, Factory Acceptance Testing (FAT), and on-site system commissioning. This contract action is being conducted under the authority of R-DFARS 206.103-170, Only one responsible source and no other supplies or services will satisfy agency requirements.