A portable cold spray enclosure unit and dust collector sit inside a mobile cold spray system trailer at Ellsworth Air Force Base, South Dakota, March 27, 2024. The MCSS was developed in partnership with universities, private sector, Department of Defense research laboratories, and DoD logistics centers to reduce the cost of ownership and extend the structural life of aging weapons systems. (U.S. Air Force photo by Airman 1st Class Dylan Maher)