The Department of Defense, specifically the U.S. Army Dugway Proving Ground, is seeking a sole-source contractor, Campbell Scientific, Inc., for the calibration and repair of CS110 Electric Field Meters (EFMs). The primary objective of this procurement is to ensure the operational functionality of surface tower networks that utilize these sensors to detect potential lightning, thereby enhancing safety during operations involving explosives. The contract will encompass a base year starting in late calendar year 2025 or early 2026, with two additional option years, and will be structured as a hybrid contract with Firm-Fixed-Price for calibration services and Time and Materials for repairs. Interested parties must submit their offers by January 12, 2026, via email, and should contact Amy Eilerts at amy.m.eilerts.civ@army.mil or call 435-831-2103 for further information.