The government is seeking a firm fixed-price contract for maintenance and repair of anesthesia units at Brian D. Allgood Army Community Hospital and all outlying clinics in Korea. The performance period begins August 1, 2026, through July 31, 2027, with four one-year options. The contractor must provide on-site labor, travel, tools, parts, and diagnostic equipment for scheduled preventative maintenance, calibration, and unscheduled repairs per OEM specifications. Offers will be evaluated using a Tiered process based on US-ROK SOFA and local sourcing preference, requiring offerors to identify as Tier 1 (Korean Local Source) or Tier 2 (U.S./Off-Shore Source). No budget amount is specified, and the acquisition is full and open competition under NAICS 811210.