The Visually Coupled Acquisition Targeting System (VCATS) was initiated by the Air Force Research Laboratory (AFRL) and the Air Combat Command (ACC) to perform the risk reduction activities for developing a helmet-mounted tracker/display (HMT/D) in the air-to-air engagement arena. VCATS started as a one-year Operational Utility Evaluation (OUE) at Nellis Air Force Base (AFB), but expanded into a seven-year OUE, examining the human performance issues and the operational impacts of using an HMT/D for aircrews (See Figure 1). The VCATS system was designed and built with foresight and flexibility to allow upgrades more easily as technology and operational concepts evolved. This paper will trace this evolution of the VCATS system through initial design concept, system upgrades, technology transitions, and lessons learned.
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