421st Civil Engineer Squadron (U.S. Air Force) Color Changing Mug

The 421st Civil Engineer Squadron is a component of the United States Air Force responsible for providing engineering and support services to maintain operational infrastructure. This design commemorates the squadron's service through a unique color-changing mug. The mug features a graphic representation of the squadron's insignia, which includes the Roman numeral "XLII" (421) encircled by wings, symbolizing the unit's aviation heritage. As hot liquid is added to the mug, the design transforms, showcasing the versatility and adaptability inherent in the Civil Engineer Squadron's mission.

Perfect for anyone who appreciates unique and cool drinkware, as well as those with an affinity for the United States Air Force or civil engineering. This mug serves not only as a functional item but also as a conversation starter about the important role of the 421st Civil Engineer Squadron in maintaining operational readiness.