The U.S. Army requires maintenance, repair, and technical support for existing meteorological systems, including Radar Wind Profilers and Microwave Radiometers, at Dugway Proving Ground (DPG) and White Sands Missile Range (WSMR). Services include preventive maintenance, evaluations, diagnostics, repairs, and technical support under a Performance Work Statement. The contract will combine firm-fixed-price preventive maintenance with time-and-materials repair services. The period of performance includes a base period and two option periods. This is a sole-source notice intended for Radiometrics Corporation due to proprietary system requirements.