This opportunity is for a firm fixed-price, non-personal services contract to provide Sterrad 100NX Plasma Sterilizer maintenance services at the 51st Medical Group, Osan Air Base. The contractor must supply all labor, parts, and equipment to maintain the sterilizer per Original Equipment Manufacturer specifications. The base period of performance runs from 1 October 2026 to 30 September 2027, with four one-year option periods. The acquisition is not set aside for small businesses and uses a tiered evaluation process under the US-ROK SOFA, requiring offerors to identify as a Korean Local Source or U.S./Off-Shore Source. No specific budget amount is provided in the description.