421st Civil Engineer Squadron (U.S. Air Force) Black Coffee Mug

The 421st Civil Engineer Squadron (421 CES) is a unit within the United States Air Force specializing in civil engineering services. Its primary role involves the construction, maintenance, and repair of air bases, facilities, and infrastructure for the US Air Force. The squadron operates under the Air Combat Command and is stationed at Joint Base Langley-Eustis, Virginia. The 421 CES contributes to the overall readiness of the Air Force by ensuring the operational suitability of its physical plants and utilities. Additionally, it provides engineering support for airfield management, emergency management, environmental protection, and munitions response operations.