The U.S. Air Force Academy (USAFA) in Colorado Springs, CO, is seeking sources capable of manufacturing a replacement calibration body for internal force balances used in wind tunnel testing. The new hardware must be compatible with the existing proprietary balance, rated to safely support loads up to 600 lbs, and include steel flexures, an aluminum adapter plate, fasteners, and a protective case. Responses are due by 10:00 AM MDT on June 2, 2026. No budget amount is specified in this sources sought notice. This is a market research notice only, not a solicitation for proposals.