Let the sparks fly... Senior Master Sgt. Justin Cruz, 21st Civil Engineer Squadron operations flight superintendent, uses an oxy-acetylene cutter to slice through a metal beam in the structures shop at Peterson Space Force Base, Colo., July 18, 2023. Structures Airmen are trained to utilize specialized materials, tools and equipment to maintain and repair base infrastructure. 📸 Senior Airman Brooke Wise peteschriever spaceforcedod #SpaceForce #USSF #guardians #civilengineer #metalstructure #structures #airman #airmen